119953997 has 2 divisors, whose sum is σ = 119953998. Its totient is φ = 119953996.

The previous prime is 119953991. The next prime is 119954027. The reversal of 119953997 is 799359911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97495876 + 22458121 = 9874^2 + 4739^2 .

It is a cyclic number.

It is not a de Polignac number, because 119953997 - 2²⁰ = 118905421 is a prime.

It is a super-2 number, since 2×119953997² = 28777922792552018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119953991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59976998 + 59976999.

It is an arithmetic number, because the mean of its divisors is an integer number (59976999).

Almost surely, 2^119953997 is an apocalyptic number.

It is an amenable number.

119953997 is a deficient number, since it is larger than the sum of its proper divisors (1).

119953997 is an equidigital number, since it uses as much as digits as its factorization.

119953997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688905, while the sum is 53.

The square root of 119953997 is about 10952.3512087588. The cubic root of 119953997 is about 493.1793772800.

The spelling of 119953997 in words is "one hundred nineteen million, nine hundred fifty-three thousand, nine hundred ninety-seven".