1040025 has 36 divisors (see below), whose sum is σ = 2007312. Its totient is φ = 473760.

The previous prime is 1040021. The next prime is 1040029. The reversal of 1040025 is 5200401.

1040025 = 119² + 120² + ... + 168².

It is an interprime number because it is at equal distance from previous prime (1040021) and next prime (1040029).

It is not a de Polignac number, because 1040025 - 2² = 1040021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3534 + ... + 3816.

2^1040025 is an apocalyptic number.

1040025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040025 is a deficient number, since it is larger than the sum of its proper divisors (967287).

1040025 is a wasteful number, since it uses less digits than its factorization.

1040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1040025 is about 1019.8161599033. The cubic root of 1040025 is about 101.3167522020.

Adding to 1040025 its reverse (5200401), we get a palindrome (6240426).

The spelling of 1040025 in words is "one million, forty thousand, twenty-five".