1392231120 has 120 divisors (see below), whose sum is σ = 5020598304. Its totient is φ = 318221568.

The previous prime is 1392231109. The next prime is 1392231163. The reversal of 1392231120 is 211322931.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47434 + ... + 70953.

Almost surely, 2^1392231120 is an apocalyptic number.

1392231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392231120 is an abundant number, since it is smaller than the sum of its proper divisors (3628367184).

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

1392231120 is a wasteful number, since it uses less digits than its factorization.

1392231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118417 (or 118404 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1392231120 is about 37312.6134169131. The cubic root of 1392231120 is about 1116.6158264025.

The spelling of 1392231120 in words is "one billion, three hundred ninety-two million, two hundred thirty-one thousand, one hundred twenty".