1231455060 has 144 divisors (see below), whose sum is σ = 4094737920. Its totient is φ = 297089280.

The previous prime is 1231455047. The next prime is 1231455073. The reversal of 1231455060 is 605541321.

1231455060 is a `hidden beast` number, since 12 + 3 + 145 + 506 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1231455047) and next prime (1231455073).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440146 + ... + 442934.

It is an arithmetic number, because the mean of its divisors is an integer number (28435680).

Almost surely, 2^1231455060 is an apocalyptic number.

1231455060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231455060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047368960).

1231455060 is an abundant number, since it is smaller than the sum of its proper divisors (2863282860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231455060 is a wasteful number, since it uses less digits than its factorization.

1231455060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1231455060 is about 35092.0939814084. The cubic root of 1231455060 is about 1071.8635994957.

Adding to 1231455060 its reverse (605541321), we get a palindrome (1836996381).

The spelling of 1231455060 in words is "one billion, two hundred thirty-one million, four hundred fifty-five thousand, sixty".