126274140 has 120 divisors (see below), whose sum is σ = 413471520. Its totient is φ = 32199552.

The previous prime is 126274103. The next prime is 126274151. The reversal of 126274140 is 41472621.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35566 + ... + 38954.

It is an arithmetic number, because the mean of its divisors is an integer number (3445596).

Almost surely, 2^126274140 is an apocalyptic number.

126274140 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 126274140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206735760).

126274140 is an abundant number, since it is smaller than the sum of its proper divisors (287197380).

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

126274140 is a wasteful number, since it uses less digits than its factorization.

126274140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 126274140 is about 11237.1766916784. The cubic root of 126274140 is about 501.6931135947.

The spelling of 126274140 in words is "one hundred twenty-six million, two hundred seventy-four thousand, one hundred forty".