1502120064 has 128 divisors (see below), whose sum is σ = 4243363200. Its totient is φ = 469753856.

The previous prime is 1502120027. The next prime is 1502120083. The reversal of 1502120064 is 4600212051.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1502120064.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466492 + ... + 469700.

It is an arithmetic number, because the mean of its divisors is an integer number (33151275).

Almost surely, 2^1502120064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1502120064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2121681600).

1502120064 is an abundant number, since it is smaller than the sum of its proper divisors (2741243136).

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

1502120064 is a wasteful number, since it uses less digits than its factorization.

1502120064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1502120064 is about 38757.1937064592. The cubic root of 1502120064 is about 1145.2532925520.

The spelling of 1502120064 in words is "one billion, five hundred two million, one hundred twenty thousand, sixty-four".