126988415 has 8 divisors (see below), whose sum is σ = 152458848. Its totient is φ = 101542240.

The previous prime is 126988409. The next prime is 126988429. The reversal of 126988415 is 514889621.

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

It is not a de Polignac number, because 126988415 - 2²⁰ = 125939839 is a prime.

It is a super-2 number, since 2×126988415² = 32252115088424450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8750 + ... + 18180.

It is an arithmetic number, because the mean of its divisors is an integer number (19057356).

Almost surely, 2^126988415 is an apocalyptic number.

126988415 is a deficient number, since it is larger than the sum of its proper divisors (25470433).

126988415 is an equidigital number, since it uses as much as digits as its factorization.

126988415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12129.

The product of its digits is 138240, while the sum is 44.

The square root of 126988415 is about 11268.9136566042. The cubic root of 126988415 is about 502.6372849983.

The spelling of 126988415 in words is "one hundred twenty-six million, nine hundred eighty-eight thousand, four hundred fifteen".