1152157939 has 2 divisors, whose sum is σ = 1152157940. Its totient is φ = 1152157938.

The previous prime is 1152157927. The next prime is 1152157957. The reversal of 1152157939 is 9397512511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1152157939 - 2⁹ = 1152157427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152157895 and 1152157904.

It is not a weakly prime, because it can be changed into another prime (1152157999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576078969 + 576078970.

It is an arithmetic number, because the mean of its divisors is an integer number (576078970).

Almost surely, 2^1152157939 is an apocalyptic number.

1152157939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152157939 is an equidigital number, since it uses as much as digits as its factorization.

1152157939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 43.

The square root of 1152157939 is about 33943.4520784201. The cubic root of 1152157939 is about 1048.3444625864.

The spelling of 1152157939 in words is "one billion, one hundred fifty-two million, one hundred fifty-seven thousand, nine hundred thirty-nine".