157122827 has 2 divisors, whose sum is σ = 157122828. Its totient is φ = 157122826.

The previous prime is 157122811. The next prime is 157122829. The reversal of 157122827 is 728221751.

It is a strong prime.

It is an emirp because it is prime and its reverse (728221751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157122827 - 2⁴ = 157122811 is a prime.

Together with 157122829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157122829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78561413 + 78561414.

It is an arithmetic number, because the mean of its divisors is an integer number (78561414).

Almost surely, 2^157122827 is an apocalyptic number.

157122827 is a deficient number, since it is larger than the sum of its proper divisors (1).

157122827 is an equidigital number, since it uses as much as digits as its factorization.

157122827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 157122827 is about 12534.8644587806. The cubic root of 157122827 is about 539.6097168490.

The spelling of 157122827 in words is "one hundred fifty-seven million, one hundred twenty-two thousand, eight hundred twenty-seven".