1461231612 has 36 divisors (see below), whose sum is σ = 3696297696. Its totient is φ = 486730560.

The previous prime is 1461231559. The next prime is 1461231619. The reversal of 1461231612 is 2161321641.

It is a happy number.

1461231612 is a `hidden beast` number, since 1 + 4 + 6 + 12 + 31 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461231619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39613 + ... + 67019.

It is an arithmetic number, because the mean of its divisors is an integer number (102674936).

Almost surely, 2^1461231612 is an apocalyptic number.

1461231612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1461231612 is an abundant number, since it is smaller than the sum of its proper divisors (2235066084).

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

1461231612 is a wasteful number, since it uses less digits than its factorization.

1461231612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28898 (or 28893 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1461231612 is about 38226.0593312991. The cubic root of 1461231612 is about 1134.7660995368.

The spelling of 1461231612 in words is "one billion, four hundred sixty-one million, two hundred thirty-one thousand, six hundred twelve".