1054520623 has 12 divisors (see below), whose sum is σ = 1166181408. Its totient is φ = 952685760.

The previous prime is 1054520611. The next prime is 1054520627. The reversal of 1054520623 is 3260254501.

It is not a de Polignac number, because 1054520623 - 2⁹ = 1054520111 is a prime.

It is a super-2 number, since 2×1054520623² = 2224027488664616258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054520591 and 1054520600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054520627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58438 + ... + 74323.

It is an arithmetic number, because the mean of its divisors is an integer number (97181784).

Almost surely, 2^1054520623 is an apocalyptic number.

1054520623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1054520623 is a deficient number, since it is larger than the sum of its proper divisors (111660785).

1054520623 is a wasteful number, since it uses less digits than its factorization.

1054520623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132834 (or 132821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1054520623 is about 32473.3833007896. The cubic root of 1054520623 is about 1017.8529175995.

The spelling of 1054520623 in words is "one billion, fifty-four million, five hundred twenty thousand, six hundred twenty-three".