122951949077 has 2 divisors, whose sum is σ = 122951949078. Its totient is φ = 122951949076.

The previous prime is 122951949037. The next prime is 122951949121. The reversal of 122951949077 is 770949159221.

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., 122832024676 + 119924401 = 350474^2 + 10951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122951949077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122951949007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61475974538 + 61475974539.

It is an arithmetic number, because the mean of its divisors is an integer number (61475974539).

Almost surely, 2^122951949077 is an apocalyptic number.

It is an amenable number.

122951949077 is a deficient number, since it is larger than the sum of its proper divisors (1).

122951949077 is an equidigital number, since it uses as much as digits as its factorization.

122951949077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 122951949077 in words is "one hundred twenty-two billion, nine hundred fifty-one million, nine hundred forty-nine thousand, seventy-seven".