126972254 has 8 divisors (see below), whose sum is σ = 190531440. Its totient is φ = 63461776.

The previous prime is 126972253. The next prime is 126972289. The reversal of 126972254 is 452279621.

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

It is a super-2 number, since 2×126972254² = 32243906571681032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126972253) 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, 4754 + ... + 16629.

It is an arithmetic number, because the mean of its divisors is an integer number (23816430).

Almost surely, 2^126972254 is an apocalyptic number.

126972254 is a deficient number, since it is larger than the sum of its proper divisors (63559186).

126972254 is a wasteful number, since it uses less digits than its factorization.

126972254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354.

The product of its digits is 60480, while the sum is 38.

The square root of 126972254 is about 11268.1965726553. The cubic root of 126972254 is about 502.6159616207.

The spelling of 126972254 in words is "one hundred twenty-six million, nine hundred seventy-two thousand, two hundred fifty-four".