1072900901 has 2 divisors, whose sum is σ = 1072900902. Its totient is φ = 1072900900.

The previous prime is 1072900897. The next prime is 1072900931. The reversal of 1072900901 is 1090092701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948578401 + 124322500 = 30799^2 + 11150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072900901 - 2² = 1072900897 is a prime.

It is a super-2 number, since 2×1072900901² = 2302232686733223602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072900931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536450450 + 536450451.

It is an arithmetic number, because the mean of its divisors is an integer number (536450451).

Almost surely, 2^1072900901 is an apocalyptic number.

It is an amenable number.

1072900901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072900901 is an equidigital number, since it uses as much as digits as its factorization.

1072900901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1072900901 is about 32755.1660200342. The cubic root of 1072900901 is about 1023.7326079609.

The spelling of 1072900901 in words is "one billion, seventy-two million, nine hundred thousand, nine hundred one".