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120072141 = 3273751511
BaseRepresentation
bin1110010100000…
…10011111001101
322100221022000100
413022002133031
5221214302031
615525321313
72655411360
oct712023715
9270838010
10120072141
1161860a82
1234266239
131bb50a07
1411d380d7
15a81bde6
hex72827cd

120072141 has 24 divisors (see below), whose sum is σ = 203575424. Its totient is φ = 66756960.

The previous prime is 120072137. The next prime is 120072163. The reversal of 120072141 is 141270021.

It is not a de Polignac number, because 120072141 - 22 = 120072137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120072101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23425 + ... + 28086.

Almost surely, 2120072141 is an apocalyptic number.

It is an amenable number.

120072141 is a deficient number, since it is larger than the sum of its proper divisors (83503283).

120072141 is a wasteful number, since it uses less digits than its factorization.

120072141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51561 (or 51558 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 120072141 is about 10957.7434264542. The cubic root of 120072141 is about 493.3412367352.

The spelling of 120072141 in words is "one hundred twenty million, seventy-two thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 37 63 111 259 333 777 2331 51511 154533 360577 463599 1081731 1905907 3245193 5717721 13341349 17153163 40024047 120072141