1057268840123 has 4 divisors (see below), whose sum is σ = 1057321458048. Its totient is φ = 1057216222200.

The previous prime is 1057268840099. The next prime is 1057268840161. The reversal of 1057268840123 is 3210488627501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1057268840123 - 2⁶ = 1057268840059 is a prime.

It is a super-2 number, since 2×1057268840123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057268840183) 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, 26278811 + ... + 26319012.

It is an arithmetic number, because the mean of its divisors is an integer number (264330364512).

Almost surely, 2^{1057268840123} is an apocalyptic number.

1057268840123 is a deficient number, since it is larger than the sum of its proper divisors (52617925).

1057268840123 is an equidigital number, since it uses as much as digits as its factorization.

1057268840123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52617924.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 1057268840123 in words is "one trillion, fifty-seven billion, two hundred sixty-eight million, eight hundred forty thousand, one hundred twenty-three".