1011357920 has 24 divisors (see below), whose sum is σ = 2389333464. Its totient is φ = 404543104.

The previous prime is 1011357883. The next prime is 1011357923. The reversal of 1011357920 is 297531101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011357923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3160334 + ... + 3160653.

It is an arithmetic number, because the mean of its divisors is an integer number (99555561).

Almost surely, 2^1011357920 is an apocalyptic number.

1011357920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011357920 is an abundant number, since it is smaller than the sum of its proper divisors (1377975544).

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

1011357920 is an equidigital number, since it uses as much as digits as its factorization.

1011357920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321002 (or 6320994 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1011357920 is about 31801.8540340025. The cubic root of 1011357920 is about 1003.7717295044.

The spelling of 1011357920 in words is "one billion, eleven million, three hundred fifty-seven thousand, nine hundred twenty".