1147039730 has 32 divisors (see below), whose sum is σ = 2104954560. Its totient is φ = 449910720.

The previous prime is 1147039681. The next prime is 1147039757. The reversal of 1147039730 is 379307411.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208961 + ... + 214379.

It is an arithmetic number, because the mean of its divisors is an integer number (65779830).

Almost surely, 2^1147039730 is an apocalyptic number.

1147039730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147039730 is a deficient number, since it is larger than the sum of its proper divisors (957914830).

1147039730 is a wasteful number, since it uses less digits than its factorization.

1147039730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1147039730 is about 33867.9749911328. The cubic root of 1147039730 is about 1046.7898114448.

The spelling of 1147039730 in words is "one billion, one hundred forty-seven million, thirty-nine thousand, seven hundred thirty".