1246116421 has 8 divisors (see below), whose sum is σ = 1361325600. Its totient is φ = 1131228240.

The previous prime is 1246116413. The next prime is 1246116461.

1246116421 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 1246116421 - 2³ = 1246116413 is a prime.

It is a super-2 number, since 2×1246116421² = 3105612269371698482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1246116421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246116461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72091 + ... + 87688.

It is an arithmetic number, because the mean of its divisors is an integer number (170165700).

Almost surely, 2^1246116421 is an apocalyptic number.

1246116421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1246116421 is a deficient number, since it is larger than the sum of its proper divisors (115209179).

1246116421 is a wasteful number, since it uses less digits than its factorization.

1246116421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160499.

The product of its digits is 2304, while the sum is 28.

The square root of 1246116421 is about 35300.3742331438. The cubic root of 1246116421 is about 1076.1005987143.

It can be divided in two parts, 12461 and 16421, that added together give a palindrome (28882).

The spelling of 1246116421 in words is "one billion, two hundred forty-six million, one hundred sixteen thousand, four hundred twenty-one".