1254200140 has 12 divisors (see below), whose sum is σ = 2633820336. Its totient is φ = 501680048.

The previous prime is 1254200099. The next prime is 1254200147. The reversal of 1254200140 is 410024521.

It is not an unprimeable number, because it can be changed into a prime (1254200147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31354984 + ... + 31355023.

It is an arithmetic number, because the mean of its divisors is an integer number (219485028).

Almost surely, 2^1254200140 is an apocalyptic number.

1254200140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254200140 is an abundant number, since it is smaller than the sum of its proper divisors (1379620196).

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

1254200140 is a wasteful number, since it uses less digits than its factorization.

1254200140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62710016 (or 62710014 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1254200140 is about 35414.6881957190. The cubic root of 1254200140 is about 1078.4225198239.

Adding to 1254200140 its reverse (410024521), we get a palindrome (1664224661).

The spelling of 1254200140 in words is "one billion, two hundred fifty-four million, two hundred thousand, one hundred forty".