1502421012 has 18 divisors (see below), whose sum is σ = 3797786538. Its totient is φ = 500806992.

The previous prime is 1502421007. The next prime is 1502421023. The reversal of 1502421012 is 2101242051.

It can be written as a sum of positive squares in only one way, i.e., 1490268816 + 12152196 = 38604^2 + 3486^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20866923 + ... + 20866994.

It is an arithmetic number, because the mean of its divisors is an integer number (210988141).

Almost surely, 2^1502421012 is an apocalyptic number.

1502421012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1502421012 is an abundant number, since it is smaller than the sum of its proper divisors (2295365526).

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

1502421012 is a wasteful number, since it uses less digits than its factorization.

1502421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41733927 (or 41733922 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1502421012 is about 38761.0759912570. The cubic root of 1502421012 is about 1145.3297708312.

Adding to 1502421012 its reverse (2101242051), we get a palindrome (3603663063).

The spelling of 1502421012 in words is "one billion, five hundred two million, four hundred twenty-one thousand, twelve".