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120432997 is a prime number
BaseRepresentation
bin1110010110110…
…10100101100101
322101121122000101
413023122211211
5221312323442
615541144101
72661443416
oct713324545
9271548011
10120432997
1161a88103
12343bb031
131bc49039
1411dcd80d
15a88dcb7
hex72da965

120432997 has 2 divisors, whose sum is σ = 120432998. Its totient is φ = 120432996.

The previous prime is 120432989. The next prime is 120433021. The reversal of 120432997 is 799234021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107516161 + 12916836 = 10369^2 + 3594^2 .

It is an emirp because it is prime and its reverse (799234021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120432997 - 23 = 120432989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120432937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60216498 + 60216499.

It is an arithmetic number, because the mean of its divisors is an integer number (60216499).

Almost surely, 2120432997 is an apocalyptic number.

It is an amenable number.

120432997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120432997 is an equidigital number, since it uses as much as digits as its factorization.

120432997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 120432997 is about 10974.1968726645. The cubic root of 120432997 is about 493.8349596471.

The spelling of 120432997 in words is "one hundred twenty million, four hundred thirty-two thousand, nine hundred ninety-seven".