126333380 has 12 divisors (see below), whose sum is σ = 265300140. Its totient is φ = 50533344.

The previous prime is 126333371. The next prime is 126333419. The reversal of 126333380 is 83333621.

It can be written as a sum of positive squares in 2 ways, for example, as 64899136 + 61434244 = 8056^2 + 7838^2 .

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, 3158315 + ... + 3158354.

It is an arithmetic number, because the mean of its divisors is an integer number (22108345).

Almost surely, 2^126333380 is an apocalyptic number.

126333380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126333380 is an abundant number, since it is smaller than the sum of its proper divisors (138966760).

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

126333380 is a wasteful number, since it uses less digits than its factorization.

126333380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316678 (or 6316676 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 126333380 is about 11239.8122760124. The cubic root of 126333380 is about 501.7715557672.

It can be divided in two parts, 1263 and 33380, that added together give a palindrome (34643).

The spelling of 126333380 in words is "one hundred twenty-six million, three hundred thirty-three thousand, three hundred eighty".