1187925 has 24 divisors (see below), whose sum is σ = 2011776. Its totient is φ = 618240.

The previous prime is 1187911. The next prime is 1187933. The reversal of 1187925 is 5297811.

It is not a de Polignac number, because 1187925 - 2⁹ = 1187413 is a prime.

It is a super-2 number, since 2×1187925² = 2822331611250, which contains 22 as substring.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3357 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (83824).

2^1187925 is an apocalyptic number.

1187925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1187925 is a deficient number, since it is larger than the sum of its proper divisors (823851).

1187925 is a wasteful number, since it uses less digits than its factorization.

1187925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 1187925 is about 1089.9197218144. The cubic root of 1187925 is about 105.9082212576.

It can be divided in two parts, 1187 and 925, that added together give a palindrome (2112).

The spelling of 1187925 in words is "one million, one hundred eighty-seven thousand, nine hundred twenty-five".