1241561415 has 16 divisors (see below), whose sum is σ = 1987037568. Its totient is φ = 661986336.

The previous prime is 1241561359. The next prime is 1241561507. The reversal of 1241561415 is 5141651421.

It is not a de Polignac number, because 1241561415 - 2¹⁰ = 1241560391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60732 + ... + 78558.

It is an arithmetic number, because the mean of its divisors is an integer number (124189848).

Almost surely, 2^1241561415 is an apocalyptic number.

1241561415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1241561415 is a deficient number, since it is larger than the sum of its proper divisors (745476153).

1241561415 is a wasteful number, since it uses less digits than its factorization.

1241561415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22478.

The product of its digits is 4800, while the sum is 30.

The square root of 1241561415 is about 35235.7973515571. The cubic root of 1241561415 is about 1074.7878189486.

The spelling of 1241561415 in words is "one billion, two hundred forty-one million, five hundred sixty-one thousand, four hundred fifteen".