157122671 has 2 divisors, whose sum is σ = 157122672. Its totient is φ = 157122670.

The previous prime is 157122649. The next prime is 157122727. The reversal of 157122671 is 176221751.

157122671 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 is a cyclic number.

It is not a de Polignac number, because 157122671 - 2⁶ = 157122607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157172671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78561335 + 78561336.

It is an arithmetic number, because the mean of its divisors is an integer number (78561336).

Almost surely, 2^157122671 is an apocalyptic number.

157122671 is a deficient number, since it is larger than the sum of its proper divisors (1).

157122671 is an equidigital number, since it uses as much as digits as its factorization.

157122671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 32.

The square root of 157122671 is about 12534.8582361349. The cubic root of 157122671 is about 539.6095382644.

It can be divided in two parts, 1571 and 22671, that added together give a palindrome (24242).

The spelling of 157122671 in words is "one hundred fifty-seven million, one hundred twenty-two thousand, six hundred seventy-one".