1020401502 has 32 divisors (see below), whose sum is σ = 2080391040. Its totient is φ = 333595680.

The previous prime is 1020401483. The next prime is 1020401513. The reversal of 1020401502 is 2051040201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61852 + ... + 76592.

It is an arithmetic number, because the mean of its divisors is an integer number (65012220).

Almost surely, 2^1020401502 is an apocalyptic number.

1020401502 is an abundant number, since it is smaller than the sum of its proper divisors (1059989538).

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

1020401502 is a wasteful number, since it uses less digits than its factorization.

1020401502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14968.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1020401502 is about 31943.7239845325. The cubic root of 1020401502 is about 1006.7547710022.

Adding to 1020401502 its reverse (2051040201), we get a palindrome (3071441703).

The spelling of 1020401502 in words is "one billion, twenty million, four hundred one thousand, five hundred two".