151120647 has 10 divisors (see below), whose sum is σ = 225748248. Its totient is φ = 100747044.

The previous prime is 151120639. The next prime is 151120657. The reversal of 151120647 is 746021151.

It is a happy number.

151120647 is a `hidden beast` number, since 1 + 5 + 1 + 12 + 0 + 647 = 666.

It is not a de Polignac number, because 151120647 - 2³ = 151120639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 151120647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151120657) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 932763 + ... + 932924.

Almost surely, 2^151120647 is an apocalyptic number.

151120647 is a deficient number, since it is larger than the sum of its proper divisors (74627601).

151120647 is an equidigital number, since it uses as much as digits as its factorization.

151120647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865699 (or 1865690 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 151120647 is about 12293.1138040775. The cubic root of 151120647 is about 532.6491865273.

Adding to 151120647 its reverse (746021151), we get a palindrome (897141798).

The spelling of 151120647 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred forty-seven".