1051680123 has 24 divisors (see below), whose sum is σ = 1638262080. Its totient is φ = 646272000.

The previous prime is 1051680101. The next prime is 1051680127. The reversal of 1051680123 is 3210861501.

It is not a de Polignac number, because 1051680123 - 2¹⁶ = 1051614587 is a prime.

It is a super-2 number, since 2×1051680123² = 2212062162226590258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051680127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81883 + ... + 93851.

It is an arithmetic number, because the mean of its divisors is an integer number (68260920).

Almost surely, 2^1051680123 is an apocalyptic number.

1051680123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1051680123 is a deficient number, since it is larger than the sum of its proper divisors (586581957).

1051680123 is a wasteful number, since it uses less digits than its factorization.

1051680123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739 (or 12736 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1051680123 is about 32429.6179903495. The cubic root of 1051680123 is about 1016.9381856658.

The spelling of 1051680123 in words is "one billion, fifty-one million, six hundred eighty thousand, one hundred twenty-three".