1115203492 has 12 divisors (see below), whose sum is σ = 2101729756. Its totient is φ = 514709280.

The previous prime is 1115203447. The next prime is 1115203493. The reversal of 1115203492 is 2943025111.

It can be written as a sum of positive squares in 2 ways, for example, as 673194916 + 442008576 = 25946^2 + 21024^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1115203492.

It is not an unprimeable number, because it can be changed into a prime (1115203493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10723059 + ... + 10723162.

Almost surely, 2^1115203492 is an apocalyptic number.

It is an amenable number.

1115203492 is a deficient number, since it is larger than the sum of its proper divisors (986526264).

1115203492 is a wasteful number, since it uses less digits than its factorization.

1115203492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446238 (or 21446236 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1115203492 is about 33394.6626274319. The cubic root of 1115203492 is about 1037.0142085715.

The spelling of 1115203492 in words is "one billion, one hundred fifteen million, two hundred three thousand, four hundred ninety-two".