126887015 has 8 divisors (see below), whose sum is σ = 154760928. Its totient is φ = 99845280.

The previous prime is 126887003. The next prime is 126887029. The reversal of 126887015 is 510788621.

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

It is not a de Polignac number, because 126887015 - 2¹⁸ = 126624871 is a prime.

It is a super-2 number, since 2×126887015² = 32200629151220450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126887015.

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, 207707 + ... + 208316.

It is an arithmetic number, because the mean of its divisors is an integer number (19345116).

Almost surely, 2^126887015 is an apocalyptic number.

126887015 is a deficient number, since it is larger than the sum of its proper divisors (27873913).

126887015 is an equidigital number, since it uses as much as digits as its factorization.

126887015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416089.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 126887015 is about 11264.4136554017. The cubic root of 126887015 is about 502.5034644118.

The spelling of 126887015 in words is "one hundred twenty-six million, eight hundred eighty-seven thousand, fifteen".