126974851 has 4 divisors (see below), whose sum is σ = 127180600. Its totient is φ = 126769104.

The previous prime is 126974839. The next prime is 126974857. The reversal of 126974851 is 158479621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126974851 - 2²³ = 118586243 is a prime.

It is a super-2 number, since 2×126974851² = 32245225572944402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126974798 and 126974807.

It is not an unprimeable number, because it can be changed into a prime (126974857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101946 + ... + 103183.

It is an arithmetic number, because the mean of its divisors is an integer number (31795150).

Almost surely, 2^126974851 is an apocalyptic number.

126974851 is a deficient number, since it is larger than the sum of its proper divisors (205749).

126974851 is an equidigital number, since it uses as much as digits as its factorization.

126974851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205748.

The product of its digits is 120960, while the sum is 43.

The square root of 126974851 is about 11268.3118078974. The cubic root of 126974851 is about 502.6193883135.

The spelling of 126974851 in words is "one hundred twenty-six million, nine hundred seventy-four thousand, eight hundred fifty-one".