1501420115 has 16 divisors (see below), whose sum is σ = 1945530048. Its totient is φ = 1105750656.

The previous prime is 1501420111. The next prime is 1501420133. The reversal of 1501420115 is 5110241051.

It is a cyclic number.

It is not a de Polignac number, because 1501420115 - 2² = 1501420111 is a prime.

It is a super-2 number, since 2×1501420115² = 4508524723453226450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1501420111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6719 + ... + 55208.

It is an arithmetic number, because the mean of its divisors is an integer number (121595628).

Almost surely, 2^1501420115 is an apocalyptic number.

1501420115 is a deficient number, since it is larger than the sum of its proper divisors (444109933).

1501420115 is a wasteful number, since it uses less digits than its factorization.

1501420115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62318.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1501420115 is about 38748.1627306380. The cubic root of 1501420115 is about 1145.0753788021.

Adding to 1501420115 its reverse (5110241051), we get a palindrome (6611661166).

The spelling of 1501420115 in words is "one billion, five hundred one million, four hundred twenty thousand, one hundred fifteen".