151012501 has 6 divisors (see below), whose sum is σ = 156042006. Its totient is φ = 146140200.

The previous prime is 151012481. The next prime is 151012531. The reversal of 151012501 is 105210151.

It can be written as a sum of positive squares in only one way, i.e., 146168100 + 4844401 = 12090^2 + 2201^2 .

It is not a de Polignac number, because 151012501 - 2⁵ = 151012469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151012531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77610 + ... + 79531.

It is an arithmetic number, because the mean of its divisors is an integer number (26007001).

Almost surely, 2^151012501 is an apocalyptic number.

It is an amenable number.

151012501 is a deficient number, since it is larger than the sum of its proper divisors (5029505).

151012501 is an equidigital number, since it uses as much as digits as its factorization.

151012501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157203 (or 157172 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 151012501 is about 12288.7143753934. The cubic root of 151012501 is about 532.5220968444.

Adding to 151012501 its reverse (105210151), we get a palindrome (256222652).

The spelling of 151012501 in words is "one hundred fifty-one million, twelve thousand, five hundred one".