1021088407402 has 16 divisors (see below), whose sum is σ = 1750485358080. Its totient is φ = 437597295408.

The previous prime is 1021088407393. The next prime is 1021088407411. The reversal of 1021088407402 is 2047048801201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1021088407393) and next prime (1021088407411).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464077 + ... + 1502512.

It is an arithmetic number, because the mean of its divisors is an integer number (109405334880).

Almost surely, 2^{1021088407402} is an apocalyptic number.

1021088407402 is a deficient number, since it is larger than the sum of its proper divisors (729396950678).

1021088407402 is a wasteful number, since it uses less digits than its factorization.

1021088407402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003685.

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 1021088407402 in words is "one trillion, twenty-one billion, eighty-eight million, four hundred seven thousand, four hundred two".