1241660451 has 16 divisors (see below), whose sum is σ = 1739969280. Its totient is φ = 786081120.

The previous prime is 1241660443. The next prime is 1241660503. The reversal of 1241660451 is 1540661421.

It is not a de Polignac number, because 1241660451 - 2³ = 1241660443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241660401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55140 + ... + 74321.

It is an arithmetic number, because the mean of its divisors is an integer number (108748080).

Almost surely, 2^1241660451 is an apocalyptic number.

1241660451 is a deficient number, since it is larger than the sum of its proper divisors (498308829).

1241660451 is a wasteful number, since it uses less digits than its factorization.

1241660451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129626.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1241660451 is about 35237.2026557160. The cubic root of 1241660451 is about 1074.8163958291.

The spelling of 1241660451 in words is "one billion, two hundred forty-one million, six hundred sixty thousand, four hundred fifty-one".