1241025649 has 8 divisors (see below), whose sum is σ = 1247156928. Its totient is φ = 1234906800.

The previous prime is 1241025637. The next prime is 1241025659. The reversal of 1241025649 is 9465201421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241025649 - 2¹¹ = 1241023601 is a prime.

It is a super-2 number, since 2×1241025649² = 3080289322951742402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241025629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243174 + ... + 248224.

It is an arithmetic number, because the mean of its divisors is an integer number (155894616).

Almost surely, 2^1241025649 is an apocalyptic number.

It is an amenable number.

1241025649 is a deficient number, since it is larger than the sum of its proper divisors (6131279).

1241025649 is an equidigital number, since it uses as much as digits as its factorization.

1241025649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1241025649 is about 35228.1939503007. The cubic root of 1241025649 is about 1074.6331970849.

The spelling of 1241025649 in words is "one billion, two hundred forty-one million, twenty-five thousand, six hundred forty-nine".