126745400 has 48 divisors (see below), whose sum is σ = 295647000. Its totient is φ = 50532480.

The previous prime is 126745397. The next prime is 126745403. The reversal of 126745400 is 4547621.

It is an interprime number because it is at equal distance from previous prime (126745397) and next prime (126745403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126745403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73751 + ... + 75449.

Almost surely, 2^126745400 is an apocalyptic number.

126745400 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 126745400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147823500).

126745400 is an abundant number, since it is smaller than the sum of its proper divisors (168901600).

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

126745400 is a wasteful number, since it uses less digits than its factorization.

126745400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 126745400 is about 11258.1259541719. The cubic root of 126745400 is about 502.3164515313.

The spelling of 126745400 in words is "one hundred twenty-six million, seven hundred forty-five thousand, four hundred".