1011010397 has 2 divisors, whose sum is σ = 1011010398. Its totient is φ = 1011010396.

The previous prime is 1011010337. The next prime is 1011010421. The reversal of 1011010397 is 7930101101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 141586201 = 29486^2 + 11899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011010397 - 2¹⁴ = 1010994013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011010337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505505198 + 505505199.

It is an arithmetic number, because the mean of its divisors is an integer number (505505199).

Almost surely, 2^1011010397 is an apocalyptic number.

It is an amenable number.

1011010397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011010397 is an equidigital number, since it uses as much as digits as its factorization.

1011010397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 1011010397 is about 31796.3896849941. The cubic root of 1011010397 is about 1003.6567442557.

Adding to 1011010397 its reverse (7930101101), we get a palindrome (8941111498).

The spelling of 1011010397 in words is "one billion, eleven million, ten thousand, three hundred ninety-seven".