1057961903 has 4 divisors (see below), whose sum is σ = 1058051328. Its totient is φ = 1057872480.

The previous prime is 1057961899. The next prime is 1057961911. The reversal of 1057961903 is 3091697501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1057961903 - 2² = 1057961899 is a prime.

It is a super-2 number, since 2×1057961903² = 2238566776398762818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057961953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23663 + ... + 51728.

It is an arithmetic number, because the mean of its divisors is an integer number (264512832).

Almost surely, 2^1057961903 is an apocalyptic number.

1057961903 is a deficient number, since it is larger than the sum of its proper divisors (89425).

1057961903 is an equidigital number, since it uses as much as digits as its factorization.

1057961903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89424.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 1057961903 is about 32526.3263065474. The cubic root of 1057961903 is about 1018.9589220710.

The spelling of 1057961903 in words is "one billion, fifty-seven million, nine hundred sixty-one thousand, nine hundred three".