1126621830 has 32 divisors (see below), whose sum is σ = 2718844128. Its totient is φ = 298771200.

The previous prime is 1126621813. The next prime is 1126621849. The reversal of 1126621830 is 381266211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98311 + ... + 109170.

It is an arithmetic number, because the mean of its divisors is an integer number (84963879).

Almost surely, 2^1126621830 is an apocalyptic number.

1126621830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1126621830 is an abundant number, since it is smaller than the sum of its proper divisors (1592222298).

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

1126621830 is a wasteful number, since it uses less digits than its factorization.

1126621830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207672.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1126621830 is about 33565.1877694733. The cubic root of 1126621830 is about 1040.5414556021.

The spelling of 1126621830 in words is "one billion, one hundred twenty-six million, six hundred twenty-one thousand, eight hundred thirty".