151213122 has 32 divisors (see below), whose sum is σ = 337301760. Its totient is φ = 50213520.

The previous prime is 151213103. The next prime is 151213141. The reversal of 151213122 is 221312151.

151213122 is a `hidden beast` number, since 1 + 512 + 131 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (151213103) and next prime (151213141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151213095 and 151213104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9468 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (10540680).

Almost surely, 2^151213122 is an apocalyptic number.

151213122 is an abundant number, since it is smaller than the sum of its proper divisors (186088638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151213122 is a wasteful number, since it uses less digits than its factorization.

151213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615 (or 10609 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 151213122 is about 12296.8744809403. The cubic root of 151213122 is about 532.7578120764.

Adding to 151213122 its reverse (221312151), we get a palindrome (372525273).

The spelling of 151213122 in words is "one hundred fifty-one million, two hundred thirteen thousand, one hundred twenty-two".