1233101997 has 24 divisors (see below), whose sum is σ = 1838669976. Its totient is φ = 795747456.

The previous prime is 1233101993. The next prime is 1233102001. The reversal of 1233101997 is 7991013321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1233101993) and next prime (1233102001).

It can be written as a sum of positive squares in 4 ways, for example, as 1000203876 + 232898121 = 31626^2 + 15261^2 .

It is not a de Polignac number, because 1233101997 - 2² = 1233101993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233101993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56203 + ... + 74999.

It is an arithmetic number, because the mean of its divisors is an integer number (76611249).

Almost surely, 2^1233101997 is an apocalyptic number.

It is an amenable number.

1233101997 is a deficient number, since it is larger than the sum of its proper divisors (605567979).

1233101997 is a wasteful number, since it uses less digits than its factorization.

1233101997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19037 (or 19034 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 1233101997 is about 35115.5520674245. The cubic root of 1233101997 is about 1072.3412202390.

The spelling of 1233101997 in words is "one billion, two hundred thirty-three million, one hundred one thousand, nine hundred ninety-seven".