1235253011 has 2 divisors, whose sum is σ = 1235253012. Its totient is φ = 1235253010.

The previous prime is 1235253007. The next prime is 1235253049. The reversal of 1235253011 is 1103525321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1235253011 - 2² = 1235253007 is a prime.

It is a super-2 number, since 2×1235253011² = 3051700002369132242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1235253091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617626505 + 617626506.

It is an arithmetic number, because the mean of its divisors is an integer number (617626506).

Almost surely, 2^1235253011 is an apocalyptic number.

1235253011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235253011 is an equidigital number, since it uses as much as digits as its factorization.

1235253011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1235253011 is about 35146.1663770033. The cubic root of 1235253011 is about 1072.9643860609.

Adding to 1235253011 its reverse (1103525321), we get a palindrome (2338778332).

The spelling of 1235253011 in words is "one billion, two hundred thirty-five million, two hundred fifty-three thousand, eleven".