1011198872 has 32 divisors (see below), whose sum is σ = 1935446400. Its totient is φ = 495116544.

The previous prime is 1011198871. The next prime is 1011198901. The reversal of 1011198872 is 2788911101.

1011198872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011198871) 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, 255404 + ... + 259332.

It is an arithmetic number, because the mean of its divisors is an integer number (60482700).

Almost surely, 2^1011198872 is an apocalyptic number.

It is an amenable number.

1011198872 is a deficient number, since it is larger than the sum of its proper divisors (924247528).

1011198872 is a wasteful number, since it uses less digits than its factorization.

1011198872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 38.

The square root of 1011198872 is about 31799.3533267581. The cubic root of 1011198872 is about 1003.7191084186.

The spelling of 1011198872 in words is "one billion, eleven million, one hundred ninety-eight thousand, eight hundred seventy-two".