157125261 has 8 divisors (see below), whose sum is σ = 209559904. Its totient is φ = 104720400.

The previous prime is 157125253. The next prime is 157125263. The reversal of 157125261 is 162521751.

157125261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157125261 - 2³ = 157125253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157125263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510 + ... + 21696.

It is an arithmetic number, because the mean of its divisors is an integer number (26194988).

Almost surely, 2^157125261 is an apocalyptic number.

It is an amenable number.

157125261 is a deficient number, since it is larger than the sum of its proper divisors (52434643).

157125261 is an equidigital number, since it uses as much as digits as its factorization.

157125261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891.

The product of its digits is 4200, while the sum is 30.

The square root of 157125261 is about 12534.9615476076. The cubic root of 157125261 is about 539.6125032111.

The spelling of 157125261 in words is "one hundred fifty-seven million, one hundred twenty-five thousand, two hundred sixty-one".