1241406631 has 4 divisors (see below), whose sum is σ = 1242139000. Its totient is φ = 1240674264.

The previous prime is 1241406613. The next prime is 1241406643. The reversal of 1241406631 is 1366041421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1366041421 = 761 ⋅1795061.

It is a cyclic number.

It is not a de Polignac number, because 1241406631 - 2⁵ = 1241406599 is a prime.

It is a super-2 number, since 2×1241406631² = 3082180846981540322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241406631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241400631) 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 in 3 ways as a sum of consecutive naturals, for example, 363636 + ... + 367033.

It is an arithmetic number, because the mean of its divisors is an integer number (310534750).

Almost surely, 2^1241406631 is an apocalyptic number.

1241406631 is a deficient number, since it is larger than the sum of its proper divisors (732369).

1241406631 is an equidigital number, since it uses as much as digits as its factorization.

1241406631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732368.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1241406631 is about 35233.6008804096. The cubic root of 1241406631 is about 1074.7431529150.

The spelling of 1241406631 in words is "one billion, two hundred forty-one million, four hundred six thousand, six hundred thirty-one".