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120922387 is a prime number
BaseRepresentation
bin1110011010100…
…10000100010011
322102112111022221
413031102010103
5221424004022
615555441511
72665552255
oct715220423
9272474287
10120922387
1162291863
12345b6297
131c08aa11
14120b9cd5
15a938cc7
hex7352113

120922387 has 2 divisors, whose sum is σ = 120922388. Its totient is φ = 120922386.

The previous prime is 120922381. The next prime is 120922391. The reversal of 120922387 is 783229021.

It is a strong prime.

It is an emirp because it is prime and its reverse (783229021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120922387 - 27 = 120922259 is a prime.

It is not a weakly prime, because it can be changed into another prime (120922381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60461193 + 60461194.

It is an arithmetic number, because the mean of its divisors is an integer number (60461194).

Almost surely, 2120922387 is an apocalyptic number.

120922387 is a deficient number, since it is larger than the sum of its proper divisors (1).

120922387 is an equidigital number, since it uses as much as digits as its factorization.

120922387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120922387 is about 10996.4715704630. The cubic root of 120922387 is about 494.5029694512.

The spelling of 120922387 in words is "one hundred twenty million, nine hundred twenty-two thousand, three hundred eighty-seven".