1081378802 has 16 divisors (see below), whose sum is σ = 1854874752. Its totient is φ = 463177440.

The previous prime is 1081378783. The next prime is 1081378817. The reversal of 1081378802 is 2088731801.

It is a super-2 number, since 2×1081378802² = 2338760226829910408, which contains 22 as substring.

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, 3302 + ... + 46622.

It is an arithmetic number, because the mean of its divisors is an integer number (115929672).

Almost surely, 2^1081378802 is an apocalyptic number.

1081378802 is a deficient number, since it is larger than the sum of its proper divisors (773495950).

1081378802 is a wasteful number, since it uses less digits than its factorization.

1081378802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45113.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1081378802 is about 32884.3245635363. The cubic root of 1081378802 is about 1026.4219968254.

The spelling of 1081378802 in words is "one billion, eighty-one million, three hundred seventy-eight thousand, eight hundred two".