151220120 has 16 divisors (see below), whose sum is σ = 340245360. Its totient is φ = 60488032.

The previous prime is 151220119. The next prime is 151220137. The reversal of 151220120 is 21022151.

It is a junction number, because it is equal to n+sod(n) for n = 151220095 and 151220104.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1890212 + ... + 1890291.

It is an arithmetic number, because the mean of its divisors is an integer number (21265335).

Almost surely, 2^151220120 is an apocalyptic number.

151220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151220120 is an abundant number, since it is smaller than the sum of its proper divisors (189025240).

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

151220120 is a wasteful number, since it uses less digits than its factorization.

151220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780514 (or 3780510 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 151220120 is about 12297.1590214976. The cubic root of 151220120 is about 532.7660304585.

Adding to 151220120 its reverse (21022151), we get a palindrome (172242271).

The spelling of 151220120 in words is "one hundred fifty-one million, two hundred twenty thousand, one hundred twenty".