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124042331 = 717720333
BaseRepresentation
bin1110110010010…
…11110001011011
322122102000002102
413121023301123
5223223323311
620150354015
73034225310
oct731136133
9278360072
10124042331
1164022926
123565b90b
131c910b3a
141268cd07
15ad5343b
hex764bc5b

124042331 has 4 divisors (see below), whose sum is σ = 141762672. Its totient is φ = 106321992.

The previous prime is 124042307. The next prime is 124042333. The reversal of 124042331 is 133240421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124042331 - 26 = 124042267 is a prime.

It is a super-2 number, since 2×1240423312 = 30772999759827122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124042333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8860160 + ... + 8860173.

It is an arithmetic number, because the mean of its divisors is an integer number (35440668).

Almost surely, 2124042331 is an apocalyptic number.

124042331 is a deficient number, since it is larger than the sum of its proper divisors (17720341).

124042331 is an equidigital number, since it uses as much as digits as its factorization.

124042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17720340.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 124042331 is about 11137.4292814814. The cubic root of 124042331 is about 498.7198331429.

Adding to 124042331 its reverse (133240421), we get a palindrome (257282752).

The spelling of 124042331 in words is "one hundred twenty-four million, forty-two thousand, three hundred thirty-one".

Divisors: 1 7 17720333 124042331