1051312201 has 8 divisors (see below), whose sum is σ = 1091709864. Its totient is φ = 1011617280.

The previous prime is 1051312169. The next prime is 1051312211. The reversal of 1051312201 is 1022131501.

It can be written as a sum of positive squares in 4 ways, for example, as 134676025 + 916636176 = 11605^2 + 30276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051312201 - 2⁵ = 1051312169 is a prime.

It is a super-2 number, since 2×1051312201² = 2210514687942928802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051312211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172636 + ... + 178621.

It is an arithmetic number, because the mean of its divisors is an integer number (136463733).

Almost surely, 2^1051312201 is an apocalyptic number.

It is an amenable number.

1051312201 is a deficient number, since it is larger than the sum of its proper divisors (40397663).

1051312201 is an equidigital number, since it uses as much as digits as its factorization.

1051312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351371.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1051312201 is about 32423.9448710363. The cubic root of 1051312201 is about 1016.8195825649.

Adding to 1051312201 its reverse (1022131501), we get a palindrome (2073443702).

The spelling of 1051312201 in words is "one billion, fifty-one million, three hundred twelve thousand, two hundred one".