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126420995 = 5231099313
BaseRepresentation
bin1111000100100…
…00100000000011
322210212212000002
413202100200003
5224330432440
620313350215
73063363221
oct742204003
9283785002
10126420995
11653a7a68
123640836b
132026472c
1412b0bb11
15b173115
hex7890803

126420995 has 8 divisors (see below), whose sum is σ = 158301216. Its totient is φ = 96739456.

The previous prime is 126420991. The next prime is 126421019. The reversal of 126420995 is 599024621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126420995 - 22 = 126420991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126420991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549542 + ... + 549771.

It is an arithmetic number, because the mean of its divisors is an integer number (19787652).

Almost surely, 2126420995 is an apocalyptic number.

126420995 is a deficient number, since it is larger than the sum of its proper divisors (31880221).

126420995 is a wasteful number, since it uses less digits than its factorization.

126420995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099341.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 126420995 is about 11243.7091299980. The cubic root of 126420995 is about 501.8875255284.

The spelling of 126420995 in words is "one hundred twenty-six million, four hundred twenty thousand, nine hundred ninety-five".

Divisors: 1 5 23 115 1099313 5496565 25284199 126420995