151122520 has 128 divisors (see below), whose sum is σ = 380712960. Its totient is φ = 53729280.

The previous prime is 151122493. The next prime is 151122533. The reversal of 151122520 is 25221151.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1412307 + ... + 1412413.

It is an arithmetic number, because the mean of its divisors is an integer number (2974320).

Almost surely, 2^151122520 is an apocalyptic number.

151122520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151122520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190356480).

151122520 is an abundant number, since it is smaller than the sum of its proper divisors (229590440).

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

151122520 is a wasteful number, since it uses less digits than its factorization.

151122520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 151122520 is about 12293.1899847029. The cubic root of 151122520 is about 532.6513870822.

Adding to 151122520 its reverse (25221151), we get a palindrome (176343671).

The spelling of 151122520 in words is "one hundred fifty-one million, one hundred twenty-two thousand, five hundred twenty".