1031201069 has 2 divisors, whose sum is σ = 1031201070. Its totient is φ = 1031201068.

The previous prime is 1031200979. The next prime is 1031201071. The reversal of 1031201069 is 9601021301.

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., 739132969 + 292068100 = 27187^2 + 17090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031201069 - 2²⁴ = 1014423853 is a prime.

It is a super-2 number, since 2×1031201069² = 2126751289413485522, which contains 22 as substring.

Together with 1031201071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031201569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515600534 + 515600535.

It is an arithmetic number, because the mean of its divisors is an integer number (515600535).

Almost surely, 2^1031201069 is an apocalyptic number.

It is an amenable number.

1031201069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031201069 is an equidigital number, since it uses as much as digits as its factorization.

1031201069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1031201069 is about 32112.3195829887. The cubic root of 1031201069 is about 1010.2940257581.

The spelling of 1031201069 in words is "one billion, thirty-one million, two hundred one thousand, sixty-nine".