1357120907 has 2 divisors, whose sum is σ = 1357120908. Its totient is φ = 1357120906.

The previous prime is 1357120873. The next prime is 1357120943. The reversal of 1357120907 is 7090217531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1357120907 - 2¹² = 1357116811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1357120967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678560453 + 678560454.

It is an arithmetic number, because the mean of its divisors is an integer number (678560454).

Almost surely, 2^1357120907 is an apocalyptic number.

1357120907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357120907 is an equidigital number, since it uses as much as digits as its factorization.

1357120907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 1357120907 is about 36839.1219629350. The cubic root of 1357120907 is about 1107.1492758964.

The spelling of 1357120907 in words is "one billion, three hundred fifty-seven million, one hundred twenty thousand, nine hundred seven".