1071490225 has 24 divisors (see below), whose sum is σ = 1433936000. Its totient is φ = 789549120.

The previous prime is 1071490223. The next prime is 1071490261. The reversal of 1071490225 is 5220941701.

It is not a de Polignac number, because 1071490225 - 2¹ = 1071490223 is a prime.

It is a super-2 number, since 2×1071490225² = 2296182604541101250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071490223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158872 + ... + 165478.

Almost surely, 2^1071490225 is an apocalyptic number.

It is an amenable number.

1071490225 is a deficient number, since it is larger than the sum of its proper divisors (362445775).

1071490225 is a wasteful number, since it uses less digits than its factorization.

1071490225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1071490225 is about 32733.6252957108. The cubic root of 1071490225 is about 1023.2837350599.

The spelling of 1071490225 in words is "one billion, seventy-one million, four hundred ninety thousand, two hundred twenty-five".