151120715 has 4 divisors (see below), whose sum is σ = 181344864. Its totient is φ = 120896568.

The previous prime is 151120709. The next prime is 151120747. The reversal of 151120715 is 517021151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517021151 = 1669 ⋅309779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151120715 is a prime.

It is a super-2 number, since 2×151120715² = 45674941004222450, which contains 22 as substring.

It is a Duffinian 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, 15112067 + ... + 15112076.

It is an arithmetic number, because the mean of its divisors is an integer number (45336216).

Almost surely, 2^151120715 is an apocalyptic number.

151120715 is a deficient number, since it is larger than the sum of its proper divisors (30224149).

151120715 is an equidigital number, since it uses as much as digits as its factorization.

151120715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224148.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 151120715 is about 12293.1165698532. The cubic root of 151120715 is about 532.6492664197.

Adding to 151120715 its reverse (517021151), we get a palindrome (668141866).

The spelling of 151120715 in words is "one hundred fifty-one million, one hundred twenty thousand, seven hundred fifteen".