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121349597 is a prime number
BaseRepresentation
bin1110011101110…
…10010111011101
322110100012100112
413032322113131
5222031141342
620012535405
73002311625
oct716722735
9273305315
10121349597
1162553826
1234781565
131c1aa2c5
141218b885
15a9c0682
hex73ba5dd

121349597 has 2 divisors, whose sum is σ = 121349598. Its totient is φ = 121349596.

The previous prime is 121349573. The next prime is 121349611. The reversal of 121349597 is 795943121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118613881 + 2735716 = 10891^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 121349597 - 26 = 121349533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121349507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60674798 + 60674799.

It is an arithmetic number, because the mean of its divisors is an integer number (60674799).

Almost surely, 2121349597 is an apocalyptic number.

It is an amenable number.

121349597 is a deficient number, since it is larger than the sum of its proper divisors (1).

121349597 is an equidigital number, since it uses as much as digits as its factorization.

121349597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 121349597 is about 11015.8793112488. The cubic root of 121349597 is about 495.0846326739.

The spelling of 121349597 in words is "one hundred twenty-one million, three hundred forty-nine thousand, five hundred ninety-seven".