151247122 has 24 divisors (see below), whose sum is σ = 253074276. Its totient is φ = 67389504.

The previous prime is 151247119. The next prime is 151247123. The reversal of 151247122 is 221742151.

It can be written as a sum of positive squares in 6 ways, for example, as 61168041 + 90079081 = 7821^2 + 9491^2 .

It is not an unprimeable number, because it can be changed into a prime (151247123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18408 + ... + 25324.

Almost surely, 2^151247122 is an apocalyptic number.

151247122 is a deficient number, since it is larger than the sum of its proper divisors (101827154).

151247122 is a wasteful number, since it uses less digits than its factorization.

151247122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 6961 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 151247122 is about 12298.2568683533. The cubic root of 151247122 is about 532.7977389644.

Adding to 151247122 its reverse (221742151), we get a palindrome (372989273).

The spelling of 151247122 in words is "one hundred fifty-one million, two hundred forty-seven thousand, one hundred twenty-two".