1005641036 has 6 divisors (see below), whose sum is σ = 1759871820. Its totient is φ = 502820516.

The previous prime is 1005640969. The next prime is 1005641041. The reversal of 1005641036 is 6301465001.

It is a super-2 number, since 2×1005641036² = 2022627786574306592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005640996 and 1005641014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125705126 + ... + 125705133.

It is an arithmetic number, because the mean of its divisors is an integer number (293311970).

Almost surely, 2^1005641036 is an apocalyptic number.

It is an amenable number.

1005641036 is a deficient number, since it is larger than the sum of its proper divisors (754230784).

1005641036 is a wasteful number, since it uses less digits than its factorization.

1005641036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251410263 (or 251410261 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1005641036 is about 31711.8437811490. The cubic root of 1005641036 is about 1001.8768206738.

The spelling of 1005641036 in words is "one billion, five million, six hundred forty-one thousand, thirty-six".