1187025 has 72 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 483840.

The previous prime is 1187023. The next prime is 1187047. The reversal of 1187025 is 5207811.

1187025 = 131² + 132² + ... + 179².

It is not a de Polignac number, because 1187025 - 2¹ = 1187023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1186986 and 1187004.

It is not an unprimeable number, because it can be changed into a prime (1187023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62466 + ... + 62484.

It is an arithmetic number, because the mean of its divisors is an integer number (35340).

2^1187025 is an apocalyptic number.

1187025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1187025 is an abundant number, since it is smaller than the sum of its proper divisors (1357455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187025 is a wasteful number, since it uses less digits than its factorization.

1187025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1187025 is about 1089.5067691391. The cubic root of 1187025 is about 105.8814683114.

The spelling of 1187025 in words is "one million, one hundred eighty-seven thousand, twenty-five".