151244120420 has 12 divisors (see below), whose sum is σ = 317612652924. Its totient is φ = 60497648160.

The previous prime is 151244120399. The next prime is 151244120449. The reversal of 151244120420 is 24021442151.

It can be written as a sum of positive squares in 2 ways, for example, as 116150092864 + 35094027556 = 340808^2 + 187334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151244120420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781102991 + ... + 3781103030.

It is an arithmetic number, because the mean of its divisors is an integer number (26467721077).

Almost surely, 2^151244120420 is an apocalyptic number.

151244120420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151244120420 is an abundant number, since it is smaller than the sum of its proper divisors (166368532504).

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

151244120420 is a wasteful number, since it uses less digits than its factorization.

151244120420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562206030 (or 7562206028 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 151244120420 its reverse (24021442151), we get a palindrome (175265562571).

The spelling of 151244120420 in words is "one hundred fifty-one billion, two hundred forty-four million, one hundred twenty thousand, four hundred twenty".