126928635 has 8 divisors (see below), whose sum is σ = 203085840. Its totient is φ = 67695264.

The previous prime is 126928609. The next prime is 126928673. The reversal of 126928635 is 536829621.

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

It is not a de Polignac number, because 126928635 - 2¹⁴ = 126912251 is a prime.

It is a super-2 number, since 2×126928635² = 32221756765926450, which contains 22 as substring.

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, 4230940 + ... + 4230969.

It is an arithmetic number, because the mean of its divisors is an integer number (25385730).

Almost surely, 2^126928635 is an apocalyptic number.

126928635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126928635 is a deficient number, since it is larger than the sum of its proper divisors (76157205).

126928635 is an equidigital number, since it uses as much as digits as its factorization.

126928635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461917.

The product of its digits is 155520, while the sum is 42.

The square root of 126928635 is about 11266.2609147845. The cubic root of 126928635 is about 502.5584001826.

The spelling of 126928635 in words is "one hundred twenty-six million, nine hundred twenty-eight thousand, six hundred thirty-five".