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122013079 = 1910362347
BaseRepresentation
bin1110100010111…
…00010110010111
322111120220110221
413101130112113
5222213404304
620035055211
73011044156
oct721342627
9274526427
10122013079
1162967261
1234a41507
131c3802b6
14122c159d
15aaa2054
hex745c597

122013079 has 8 divisors (see below), whose sum is σ = 129683840. Its totient is φ = 114467256.

The previous prime is 122013077. The next prime is 122013109. The reversal of 122013079 is 970310221.

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 122013079 - 21 = 122013077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122013077) 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, 29217 + ... + 33130.

It is an arithmetic number, because the mean of its divisors is an integer number (16210480).

Almost surely, 2122013079 is an apocalyptic number.

122013079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122013079 is a deficient number, since it is larger than the sum of its proper divisors (7670761).

122013079 is a wasteful number, since it uses less digits than its factorization.

122013079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62469.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 122013079 is about 11045.9530598315. The cubic root of 122013079 is about 495.9852891384.

The spelling of 122013079 in words is "one hundred twenty-two million, thirteen thousand, seventy-nine".

Divisors: 1 19 103 1957 62347 1184593 6421741 122013079