126390000025 has 12 divisors (see below), whose sum is σ = 161779201024. Its totient is φ = 97850322000.

The previous prime is 126390000001. The next prime is 126390000029. The reversal of 126390000025 is 520000093621.

It is not a de Polignac number, because 126390000025 - 2⁹ = 126389999513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126389999948 and 126390000002.

It is not an unprimeable number, because it can be changed into a prime (126390000029) 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, 81541161 + ... + 81542710.

Almost surely, 2^126390000025 is an apocalyptic number.

It is an amenable number.

126390000025 is a deficient number, since it is larger than the sum of its proper divisors (35389200999).

126390000025 is a wasteful number, since it uses less digits than its factorization.

126390000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163083912 (or 163083907 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 126390000025 its reverse (520000093621), we get a palindrome (646390093646).

The spelling of 126390000025 in words is "one hundred twenty-six billion, three hundred ninety million, twenty-five", and thus it is an aban number.