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122568061 = 7211227399
BaseRepresentation
bin1110100111000…
…11110101111101
322112122002202211
413103203311331
5222334134221
620055020421
73015545200
oct723436575
9275562684
10122568061
1163206220
123506a711
131c515aa5
14123c7937
15ab616e1
hex74e3d7d

122568061 has 12 divisors (see below), whose sum is σ = 155541600. Its totient is φ = 95507160.

The previous prime is 122568037. The next prime is 122568067. The reversal of 122568061 is 160865221.

It is not a de Polignac number, because 122568061 - 25 = 122568029 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 (122568067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113161 + ... + 114238.

It is an arithmetic number, because the mean of its divisors is an integer number (12961800).

Almost surely, 2122568061 is an apocalyptic number.

122568061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122568061 is a deficient number, since it is larger than the sum of its proper divisors (32973539).

122568061 is a wasteful number, since it uses less digits than its factorization.

122568061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227424 (or 227417 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 122568061 is about 11071.0460662035. The cubic root of 122568061 is about 496.7361556652.

The spelling of 122568061 in words is "one hundred twenty-two million, five hundred sixty-eight thousand, sixty-one".

Divisors: 1 7 11 49 77 539 227399 1591793 2501389 11142551 17509723 122568061