157011227 has 2 divisors, whose sum is σ = 157011228. Its totient is φ = 157011226.

The previous prime is 157011209. The next prime is 157011251. The reversal of 157011227 is 722110751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157011227 - 2¹⁸ = 156749083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157011196 and 157011205.

It is not a weakly prime, because it can be changed into another prime (157011277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78505613 + 78505614.

It is an arithmetic number, because the mean of its divisors is an integer number (78505614).

Almost surely, 2^157011227 is an apocalyptic number.

157011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

157011227 is an equidigital number, since it uses as much as digits as its factorization.

157011227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 157011227 is about 12530.4120842054. The cubic root of 157011227 is about 539.4819299687.

Adding to 157011227 its reverse (722110751), we get a palindrome (879121978).

The spelling of 157011227 in words is "one hundred fifty-seven million, eleven thousand, two hundred twenty-seven".