1009233870 has 32 divisors (see below), whose sum is σ = 2426550048. Its totient is φ = 268641408.

The previous prime is 1009233857. The next prime is 1009233871. The reversal of 1009233870 is 783329001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009233871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13489 + ... + 46908.

It is an arithmetic number, because the mean of its divisors is an integer number (75829689).

Almost surely, 2^1009233870 is an apocalyptic number.

1009233870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009233870 is an abundant number, since it is smaller than the sum of its proper divisors (1417316178).

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

1009233870 is a wasteful number, since it uses less digits than its factorization.

1009233870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60964.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1009233870 is about 31768.4414159713. The cubic root of 1009233870 is about 1003.0685311523.

The spelling of 1009233870 in words is "one billion, nine million, two hundred thirty-three thousand, eight hundred seventy".