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120402241 = 791524079
BaseRepresentation
bin1110010110100…
…11000101000001
322101120001211021
413023103011001
5221310332431
615540345441
72661254641
oct713230501
9271501737
10120402241
1161a66a93
12343a5281
131bc3803b
1411dc2521
15a884b11
hex72d3141

120402241 has 4 divisors (see below), whose sum is σ = 121926400. Its totient is φ = 118878084.

The previous prime is 120402209. The next prime is 120402251. The reversal of 120402241 is 142204021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120402241 - 25 = 120402209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120402251) 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, 761961 + ... + 762118.

It is an arithmetic number, because the mean of its divisors is an integer number (30481600).

Almost surely, 2120402241 is an apocalyptic number.

It is an amenable number.

120402241 is a deficient number, since it is larger than the sum of its proper divisors (1524159).

120402241 is an equidigital number, since it uses as much as digits as its factorization.

120402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524158.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120402241 is about 10972.7954961350. The cubic root of 120402241 is about 493.7929177884.

Adding to 120402241 its reverse (142204021), we get a palindrome (262606262).

The spelling of 120402241 in words is "one hundred twenty million, four hundred two thousand, two hundred forty-one".

Divisors: 1 79 1524079 120402241