6120139997 has 2 divisors, whose sum is σ = 6120139998. Its totient is φ = 6120139996.

The previous prime is 6120139937. The next prime is 6120140011. The reversal of 6120139997 is 7999310216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3517201636 + 2602938361 = 59306^2 + 51019^2 .

It is a cyclic number.

It is not a de Polignac number, because 6120139997 - 2⁶ = 6120139933 is a prime.

It is a super-2 number, since 2×6120139997² = 74912227165758320018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6120139937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060069998 + 3060069999.

It is an arithmetic number, because the mean of its divisors is an integer number (3060069999).

Almost surely, 2^6120139997 is an apocalyptic number.

It is an amenable number.

6120139997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6120139997 is an equidigital number, since it uses as much as digits as its factorization.

6120139997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 6120139997 is about 78231.3236306276. The cubic root of 6120139997 is about 1829.1688021528.

The spelling of 6120139997 in words is "six billion, one hundred twenty million, one hundred thirty-nine thousand, nine hundred ninety-seven".