1241428406 has 8 divisors (see below), whose sum is σ = 1862298864. Its totient is φ = 620662120.

The previous prime is 1241428367. The next prime is 1241428411. The reversal of 1241428406 is 6048241421.

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

It is a super-2 number, since 2×1241428406² = 3082288974447401672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20111 + ... + 53733.

It is an arithmetic number, because the mean of its divisors is an integer number (232787358).

Almost surely, 2^1241428406 is an apocalyptic number.

1241428406 is a deficient number, since it is larger than the sum of its proper divisors (620870458).

1241428406 is a wasteful number, since it uses less digits than its factorization.

1241428406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52086.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1241428406 is about 35233.9098880610. The cubic root of 1241428406 is about 1074.7494367533.

Adding to 1241428406 its reverse (6048241421), we get a palindrome (7289669827).

The spelling of 1241428406 in words is "one billion, two hundred forty-one million, four hundred twenty-eight thousand, four hundred six".