126920454 has 8 divisors (see below), whose sum is σ = 253840920. Its totient is φ = 42306816.

The previous prime is 126920447. The next prime is 126920473. The reversal of 126920454 is 454029621.

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

126920454 is an admirable number.

It is a super-2 number, since 2×126920454² = 32217603287132232, which contains 22 as substring.

It is a congruent number.

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, 10576699 + ... + 10576710.

It is an arithmetic number, because the mean of its divisors is an integer number (31730115).

Almost surely, 2^126920454 is an apocalyptic number.

126920454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126920454 is a wasteful number, since it uses less digits than its factorization.

126920454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153414.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 126920454 is about 11265.8978337281. The cubic root of 126920454 is about 502.5476027278.

The spelling of 126920454 in words is "one hundred twenty-six million, nine hundred twenty thousand, four hundred fifty-four".