1201146929 has 2 divisors, whose sum is σ = 1201146930. Its totient is φ = 1201146928.

The previous prime is 1201146901. The next prime is 1201146931. The reversal of 1201146929 is 9296411021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875272225 + 325874704 = 29585^2 + 18052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201146929 - 2²⁰ = 1200098353 is a prime.

It is a super-2 number, since 2×1201146929² = 2885507890092262082, which contains 22 as substring.

Together with 1201146931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1201146329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600573464 + 600573465.

It is an arithmetic number, because the mean of its divisors is an integer number (600573465).

Almost surely, 2^1201146929 is an apocalyptic number.

It is an amenable number.

1201146929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201146929 is an equidigital number, since it uses as much as digits as its factorization.

1201146929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1201146929 is about 34657.5666918496. The cubic root of 1201146929 is about 1062.9970152490.

The spelling of 1201146929 in words is "one billion, two hundred one million, one hundred forty-six thousand, nine hundred twenty-nine".