1241210551 has 8 divisors (see below), whose sum is σ = 1445291424. Its totient is φ = 1043820960.

The previous prime is 1241210539. The next prime is 1241210557. The reversal of 1241210551 is 1550121421.

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

It is not a de Polignac number, because 1241210551 - 2⁷ = 1241210423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241210557) 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, 1672420 + ... + 1673161.

It is an arithmetic number, because the mean of its divisors is an integer number (180661428).

Almost surely, 2^1241210551 is an apocalyptic number.

1241210551 is a deficient number, since it is larger than the sum of its proper divisors (204080873).

1241210551 is an equidigital number, since it uses as much as digits as its factorization.

1241210551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345641.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1241210551 is about 35230.8181994117. The cubic root of 1241210551 is about 1074.6865647598.

Adding to 1241210551 its reverse (1550121421), we get a palindrome (2791331972).

The spelling of 1241210551 in words is "one billion, two hundred forty-one million, two hundred ten thousand, five hundred fifty-one".