126925005 has 32 divisors (see below), whose sum is σ = 211673088. Its totient is φ = 64872000.

The previous prime is 126924991. The next prime is 126925021. The reversal of 126925005 is 500529621.

It is a happy number.

It is not a de Polignac number, because 126925005 - 2¹³ = 126916813 is a prime.

It is a super-2 number, since 2×126925005² = 32219913788500050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48480 + ... + 51030.

It is an arithmetic number, because the mean of its divisors is an integer number (6614784).

Almost surely, 2^126925005 is an apocalyptic number.

126925005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126925005 is a deficient number, since it is larger than the sum of its proper divisors (84748083).

126925005 is a wasteful number, since it uses less digits than its factorization.

126925005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 126925005 is about 11266.0998131563. The cubic root of 126925005 is about 502.5536092900.

The spelling of 126925005 in words is "one hundred twenty-six million, nine hundred twenty-five thousand, five".