1113021492 has 24 divisors (see below), whose sum is σ = 2833145952. Its totient is φ = 337279200.

The previous prime is 1113021491. The next prime is 1113021493. The reversal of 1113021492 is 2941203111.

It is an interprime number because it is at equal distance from previous prime (1113021491) and next prime (1113021493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113021491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4215859 + ... + 4216122.

It is an arithmetic number, because the mean of its divisors is an integer number (118047748).

Almost surely, 2^1113021492 is an apocalyptic number.

1113021492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113021492 is an abundant number, since it is smaller than the sum of its proper divisors (1720124460).

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

1113021492 is a wasteful number, since it uses less digits than its factorization.

1113021492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431999 (or 8431997 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1113021492 is about 33361.9767399955. The cubic root of 1113021492 is about 1036.3374285351.

The spelling of 1113021492 in words is "one billion, one hundred thirteen million, twenty-one thousand, four hundred ninety-two".