1061900523 has 24 divisors (see below), whose sum is σ = 1627674048. Its totient is φ = 691463304.

The previous prime is 1061900479. The next prime is 1061900537. The reversal of 1061900523 is 3250091601.

It is not a de Polignac number, because 1061900523 - 2⁶ = 1061900459 is a prime.

It is a super-2 number, since 2×1061900523² = 2255265441495347058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1061900923) 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, 40365 + ... + 61262.

It is an arithmetic number, because the mean of its divisors is an integer number (67819752).

Almost surely, 2^1061900523 is an apocalyptic number.

1061900523 is a deficient number, since it is larger than the sum of its proper divisors (565773525).

1061900523 is an equidigital number, since it uses as much as digits as its factorization.

1061900523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101685 (or 101673 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1061900523 is about 32586.8151711701. The cubic root of 1061900523 is about 1020.2218289159.

The spelling of 1061900523 in words is "one billion, sixty-one million, nine hundred thousand, five hundred twenty-three".