1002102240 has 48 divisors (see below), whose sum is σ = 3156623568. Its totient is φ = 267227136.

The previous prime is 1002102223. The next prime is 1002102251. The reversal of 1002102240 is 422012001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1043377 + ... + 1044336.

It is an arithmetic number, because the mean of its divisors is an integer number (65762991).

Almost surely, 2^1002102240 is an apocalyptic number.

1002102240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002102240 is an abundant number, since it is smaller than the sum of its proper divisors (2154521328).

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

1002102240 is a wasteful number, since it uses less digits than its factorization.

1002102240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087731 (or 2087723 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1002102240 is about 31655.9984836997. The cubic root of 1002102240 is about 1000.7002561935.

Adding to 1002102240 its reverse (422012001), we get a palindrome (1424114241).

The spelling of 1002102240 in words is "one billion, two million, one hundred two thousand, two hundred forty".