1261925 has 12 divisors (see below), whose sum is σ = 1788576. Its totient is φ = 865200.

The previous prime is 1261913. The next prime is 1261933. The reversal of 1261925 is 5291621.

It is not a de Polignac number, because 1261925 - 2⁶ = 1261861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1261894 and 1261903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3431 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (149048).

2^1261925 is an apocalyptic number.

It is an amenable number.

1261925 is a deficient number, since it is larger than the sum of its proper divisors (526651).

1261925 is an equidigital number, since it uses as much as digits as its factorization.

1261925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228 (or 7223 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1261925 is about 1123.3543519300. The cubic root of 1261925 is about 108.0632060290.

The spelling of 1261925 in words is "one million, two hundred sixty-one thousand, nine hundred twenty-five".