151244122 has 4 divisors (see below), whose sum is σ = 226866186. Its totient is φ = 75622060.

The previous prime is 151244111. The next prime is 151244141. The reversal of 151244122 is 221442151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129982801 + 21261321 = 11401^2 + 4611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151244093 and 151244102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37811029 + ... + 37811032.

Almost surely, 2^151244122 is an apocalyptic number.

151244122 is a deficient number, since it is larger than the sum of its proper divisors (75622064).

151244122 is an equidigital number, since it uses as much as digits as its factorization.

151244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75622063.

The product of its digits is 640, while the sum is 22.

The square root of 151244122 is about 12298.1348992439. The cubic root of 151244122 is about 532.7942162444.

Adding to 151244122 its reverse (221442151), we get a palindrome (372686273).

The spelling of 151244122 in words is "one hundred fifty-one million, two hundred forty-four thousand, one hundred twenty-two".