1149632970 has 16 divisors (see below), whose sum is σ = 2759119200. Its totient is φ = 306568784.

The previous prime is 1149632927. The next prime is 1149632977. The reversal of 1149632970 is 792369411.

It is a super-2 number, since 2×1149632970² = 2643311931422041800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1149632977) 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, 19160520 + ... + 19160579.

It is an arithmetic number, because the mean of its divisors is an integer number (172444950).

Almost surely, 2^1149632970 is an apocalyptic number.

1149632970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149632970 is an abundant number, since it is smaller than the sum of its proper divisors (1609486230).

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

1149632970 is a wasteful number, since it uses less digits than its factorization.

1149632970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38321109.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1149632970 is about 33906.2379216568. The cubic root of 1149632970 is about 1047.5780823274.

The spelling of 1149632970 in words is "one billion, one hundred forty-nine million, six hundred thirty-two thousand, nine hundred seventy".