1010056123 has 4 divisors (see below), whose sum is σ = 1011370360. Its totient is φ = 1008741888.

The previous prime is 1010056049. The next prime is 1010056147. The reversal of 1010056123 is 3216500101.

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 1010056123 - 2¹⁷ = 1009925051 is a prime.

It is a super-2 number, since 2×1010056123² = 2040426743219582258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010056123.

It is not an unprimeable number, because it can be changed into a prime (1010057123) 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, 655965 + ... + 657502.

It is an arithmetic number, because the mean of its divisors is an integer number (252842590).

Almost surely, 2^1010056123 is an apocalyptic number.

1010056123 is a deficient number, since it is larger than the sum of its proper divisors (1314237).

1010056123 is an equidigital number, since it uses as much as digits as its factorization.

1010056123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314236.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1010056123 is about 31781.3801305104. The cubic root of 1010056123 is about 1003.3408671769.

Adding to 1010056123 its reverse (3216500101), we get a palindrome (4226556224).

The spelling of 1010056123 in words is "one billion, ten million, fifty-six thousand, one hundred twenty-three".