1230892992 has 84 divisors (see below), whose sum is σ = 4032164656. Its totient is φ = 351682560.

The previous prime is 1230892969. The next prime is 1230893029. The reversal of 1230892992 is 2992980321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148609 + ... + 156672.

Almost surely, 2^1230892992 is an apocalyptic number.

1230892992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230892992 is an abundant number, since it is smaller than the sum of its proper divisors (2801271664).

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

1230892992 is a wasteful number, since it uses less digits than its factorization.

1230892992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305306 (or 305293 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1230892992 is about 35084.0845968653. The cubic root of 1230892992 is about 1071.7004992381.

The spelling of 1230892992 in words is "one billion, two hundred thirty million, eight hundred ninety-two thousand, nine hundred ninety-two".