1241551421 has 8 divisors (see below), whose sum is σ = 1357140000. Its totient is φ = 1126416240.

The previous prime is 1241551417. The next prime is 1241551459.

It is a happy number.

1241551421 is nontrivially palindromic in base 10.

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 1241551421 - 2² = 1241551417 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 (1241551471) 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 7 ways as a sum of consecutive naturals, for example, 107606 + ... + 118583.

It is an arithmetic number, because the mean of its divisors is an integer number (169642500).

Almost surely, 2^1241551421 is an apocalyptic number.

1241551421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1241551421 is a deficient number, since it is larger than the sum of its proper divisors (115588579).

1241551421 is a wasteful number, since it uses less digits than its factorization.

1241551421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226699.

The product of its digits is 1600, while the sum is 26.

The square root of 1241551421 is about 35235.6555352671. The cubic root of 1241551421 is about 1074.7849350912.

It can be divided in two parts, 12415 and 51421, that added together give a palindrome (63836).

The spelling of 1241551421 in words is "one billion, two hundred forty-one million, five hundred fifty-one thousand, four hundred twenty-one".