126249154 has 8 divisors (see below), whose sum is σ = 190819728. Its totient is φ = 62642580.

The previous prime is 126249131. The next prime is 126249173. The reversal of 126249154 is 451942621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240672 + ... + 241195.

It is an arithmetic number, because the mean of its divisors is an integer number (23852466).

Almost surely, 2^126249154 is an apocalyptic number.

126249154 is a deficient number, since it is larger than the sum of its proper divisors (64570574).

126249154 is a wasteful number, since it uses less digits than its factorization.

126249154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482000.

The product of its digits is 17280, while the sum is 34.

The square root of 126249154 is about 11236.0648805532. The cubic root of 126249154 is about 501.6600212264.

The spelling of 126249154 in words is "one hundred twenty-six million, two hundred forty-nine thousand, one hundred fifty-four".