1005605050 has 24 divisors (see below), whose sum is σ = 1885165056. Its totient is φ = 399072240.

The previous prime is 1005605047. The next prime is 1005605053. The reversal of 1005605050 is 505065001.

It is an interprime number because it is at equal distance from previous prime (1005605047) and next prime (1005605053).

It is a super-2 number, since 2×1005605050² = 2022483033171005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005605053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72832 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (78548544).

Almost surely, 2^1005605050 is an apocalyptic number.

1005605050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005605050 is a deficient number, since it is larger than the sum of its proper divisors (879560006).

1005605050 is a wasteful number, since it uses less digits than its factorization.

1005605050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158502 (or 158497 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1005605050 is about 31711.2763855383. The cubic root of 1005605050 is about 1001.8648700977.

The spelling of 1005605050 in words is "one billion, five million, six hundred five thousand, fifty".