126454020 has 192 divisors, whose sum is σ = 447455232. Its totient is φ = 25920000.

The previous prime is 126454019. The next prime is 126454043. The reversal of 126454020 is 20454621.

126454020 = T₄₄₀ + T₄₄₁ + ... + T₉₄₄.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466485 + ... + 466755.

It is an arithmetic number, because the mean of its divisors is an integer number (2330496).

Almost surely, 2^126454020 is an apocalyptic number.

126454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223727616).

126454020 is an abundant number, since it is smaller than the sum of its proper divisors (321001212).

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

126454020 is a wasteful number, since it uses less digits than its factorization.

126454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 126454020 is about 11245.1776331012. The cubic root of 126454020 is about 501.9312244737.

The spelling of 126454020 in words is "one hundred twenty-six million, four hundred fifty-four thousand, twenty".