1090197925 has 12 divisors (see below), whose sum is σ = 1395454336. Its totient is φ = 844023600.

The previous prime is 1090197923. The next prime is 1090197931. The reversal of 1090197925 is 5297910901.

It is not a de Polignac number, because 1090197925 - 2¹ = 1090197923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090197923) 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, 702579 + ... + 704128.

Almost surely, 2^1090197925 is an apocalyptic number.

It is an amenable number.

1090197925 is a deficient number, since it is larger than the sum of its proper divisors (305256411).

1090197925 is a wasteful number, since it uses less digits than its factorization.

1090197925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406748 (or 1406743 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 1090197925 is about 33018.1453900730. The cubic root of 1090197925 is about 1029.2047542458.

The spelling of 1090197925 in words is "one billion, ninety million, one hundred ninety-seven thousand, nine hundred twenty-five".