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126420000 = 253547243
BaseRepresentation
bin1111000100100…
…00010000100000
322210212210122020
413202100100200
5224330420000
620313341440
73063360300
oct742202040
9283783566
10126420000
11653a7243
1236407880
1320264145
1412b0b600
15b172ba0
hex7890420

126420000 has 360 divisors, whose sum is σ = 493604496. Its totient is φ = 28224000.

The previous prime is 126419981. The next prime is 126420023. The reversal of 126420000 is 24621.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2939979 + ... + 2940021.

Almost surely, 2126420000 is an apocalyptic number.

126420000 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 126420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246802248).

126420000 is an abundant number, since it is smaller than the sum of its proper divisors (367184496).

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

126420000 is an equidigital number, since it uses as much as digits as its factorization.

126420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 126420000 is about 11243.6648829463. The cubic root of 126420000 is about 501.8862088183.

Adding to 126420000 its reverse (24621), we get a palindrome (126444621).

The spelling of 126420000 in words is "one hundred twenty-six million, four hundred twenty thousand".