1029907157 has 2 divisors, whose sum is σ = 1029907158. Its totient is φ = 1029907156.

The previous prime is 1029907139. The next prime is 1029907159. The reversal of 1029907157 is 7517099201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985897201 + 44009956 = 31399^2 + 6634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029907157 - 2⁶ = 1029907093 is a prime.

Together with 1029907159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1029907159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514953578 + 514953579.

It is an arithmetic number, because the mean of its divisors is an integer number (514953579).

Almost surely, 2^1029907157 is an apocalyptic number.

It is an amenable number.

1029907157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029907157 is an equidigital number, since it uses as much as digits as its factorization.

1029907157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 1029907157 is about 32092.1665987200. The cubic root of 1029907157 is about 1009.8712893526.

The spelling of 1029907157 in words is "one billion, twenty-nine million, nine hundred seven thousand, one hundred fifty-seven".