1040420525 has 24 divisors (see below), whose sum is σ = 1417081920. Its totient is φ = 754237440.

The previous prime is 1040420503. The next prime is 1040420531. The reversal of 1040420525 is 5250240401.

It is a happy number.

It is not a de Polignac number, because 1040420525 - 2⁶ = 1040420461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1040420525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36692 + ... + 58541.

It is an arithmetic number, because the mean of its divisors is an integer number (59045080).

Almost surely, 2^1040420525 is an apocalyptic number.

It is an amenable number.

1040420525 is a deficient number, since it is larger than the sum of its proper divisors (376661395).

1040420525 is a wasteful number, since it uses less digits than its factorization.

1040420525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95285 (or 95280 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1040420525 is about 32255.5502975844. The cubic root of 1040420525 is about 1013.2959427450.

Adding to 1040420525 its reverse (5250240401), we get a palindrome (6290660926).

The spelling of 1040420525 in words is "one billion, forty million, four hundred twenty thousand, five hundred twenty-five".