126196915 has 8 divisors (see below), whose sum is σ = 163085328. Its totient is φ = 93191520.

The previous prime is 126196909. The next prime is 126196919. The reversal of 126196915 is 519691621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126196915 - 2⁹ = 126196403 is a prime.

It is a super-2 number, since 2×126196915² = 31851322711034450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126196919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970681 + ... + 970810.

It is an arithmetic number, because the mean of its divisors is an integer number (20385666).

Almost surely, 2^126196915 is an apocalyptic number.

126196915 is a deficient number, since it is larger than the sum of its proper divisors (36888413).

126196915 is a wasteful number, since it uses less digits than its factorization.

126196915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941509.

The product of its digits is 29160, while the sum is 40.

The square root of 126196915 is about 11233.7400272572. The cubic root of 126196915 is about 501.5908198830.

The spelling of 126196915 in words is "one hundred twenty-six million, one hundred ninety-six thousand, nine hundred fifteen".