1139925 has 12 divisors (see below), whose sum is σ = 1884800. Its totient is φ = 607920.

The previous prime is 1139921. The next prime is 1139951. The reversal of 1139925 is 5299311.

It is not a de Polignac number, because 1139925 - 2² = 1139921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1139892 and 1139901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7525 + ... + 7674.

2^1139925 is an apocalyptic number.

1139925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1139925 is a deficient number, since it is larger than the sum of its proper divisors (744875).

1139925 is a wasteful number, since it uses less digits than its factorization.

1139925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15212 (or 15207 counting only the distinct ones).

The product of its digits is 2430, while the sum is 30.

The square root of 1139925 is about 1067.6727026575. The cubic root of 1139925 is about 104.4621017462.

The spelling of 1139925 in words is "one million, one hundred thirty-nine thousand, nine hundred twenty-five".