126786154 has 16 divisors (see below), whose sum is σ = 208344960. Its totient is φ = 57386560.

The previous prime is 126786133. The next prime is 126786197. The reversal of 126786154 is 451687621.

It is a super-2 number, since 2×126786154² = 32149457692223432, 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, 6799 + ... + 17314.

It is an arithmetic number, because the mean of its divisors is an integer number (13021560).

Almost surely, 2^126786154 is an apocalyptic number.

126786154 is a deficient number, since it is larger than the sum of its proper divisors (81558806).

126786154 is a wasteful number, since it uses less digits than its factorization.

126786154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24365.

The product of its digits is 80640, while the sum is 40.

The square root of 126786154 is about 11259.9357902254. The cubic root of 126786154 is about 502.3702844145.

The spelling of 126786154 in words is "one hundred twenty-six million, seven hundred eighty-six thousand, one hundred fifty-four".