1071612401 has 2 divisors, whose sum is σ = 1071612402. Its totient is φ = 1071612400.

The previous prime is 1071612349. The next prime is 1071612403. The reversal of 1071612401 is 1042161701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 803439025 + 268173376 = 28345^2 + 16376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071612401 is a prime.

It is a super-2 number, since 2×1071612401² = 2296706275953969602, which contains 22 as substring.

Together with 1071612403, 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 (1071612403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535806200 + 535806201.

It is an arithmetic number, because the mean of its divisors is an integer number (535806201).

Almost surely, 2^1071612401 is an apocalyptic number.

It is an amenable number.

1071612401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071612401 is an equidigital number, since it uses as much as digits as its factorization.

1071612401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1071612401 is about 32735.4914580490. The cubic root of 1071612401 is about 1023.3226266768.

The spelling of 1071612401 in words is "one billion, seventy-one million, six hundred twelve thousand, four hundred one".