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122053331 = 7110131697
BaseRepresentation
bin1110100011001…
…10001011010011
322111122221200202
413101212023103
5222221201311
620040005415
73011302421
oct721461323
9274587622
10122053331
1162994524
1234a6086b
131c39570a
14122d2111
15aaade3b
hex74662d3

122053331 has 8 divisors (see below), whose sum is σ = 123967584. Its totient is φ = 120144640.

The previous prime is 122053301. The next prime is 122053339. The reversal of 122053331 is 133350221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122053331 is a prime.

It is a super-2 number, since 2×1220533312 = 29794031216391122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122053339) 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, 71075 + ... + 72771.

It is an arithmetic number, because the mean of its divisors is an integer number (15495948).

Almost surely, 2122053331 is an apocalyptic number.

122053331 is a deficient number, since it is larger than the sum of its proper divisors (1914253).

122053331 is a wasteful number, since it uses less digits than its factorization.

122053331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 122053331 is about 11047.7749343476. The cubic root of 122053331 is about 496.0398248352.

The spelling of 122053331 in words is "one hundred twenty-two million, fifty-three thousand, three hundred thirty-one".

Divisors: 1 71 1013 1697 71923 120487 1719061 122053331