1047579157 has 2 divisors, whose sum is σ = 1047579158. Its totient is φ = 1047579156.

The previous prime is 1047579149. The next prime is 1047579173. The reversal of 1047579157 is 7519757401.

1047579157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1045164241 + 2414916 = 32329^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047579157 - 2³ = 1047579149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047579257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523789578 + 523789579.

It is an arithmetic number, because the mean of its divisors is an integer number (523789579).

Almost surely, 2^1047579157 is an apocalyptic number.

It is an amenable number.

1047579157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047579157 is an equidigital number, since it uses as much as digits as its factorization.

1047579157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 46.

The square root of 1047579157 is about 32366.3275179622. The cubic root of 1047579157 is about 1015.6146331937.

The spelling of 1047579157 in words is "one billion, forty-seven million, five hundred seventy-nine thousand, one hundred fifty-seven".