1421115045 has 32 divisors (see below), whose sum is σ = 2601787392. Its totient is φ = 648858432.

The previous prime is 1421115037. The next prime is 1421115067. The reversal of 1421115045 is 5405111241.

It is not a de Polignac number, because 1421115045 - 2³ = 1421115037 is a prime.

It is a super-2 number, since 2×1421115045² = 4039135942250704050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82774 + ... + 98456.

It is an arithmetic number, because the mean of its divisors is an integer number (81305856).

Almost surely, 2^1421115045 is an apocalyptic number.

1421115045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421115045 is a deficient number, since it is larger than the sum of its proper divisors (1180672347).

1421115045 is a wasteful number, since it uses less digits than its factorization.

1421115045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1421115045 is about 37697.6795704988. The cubic root of 1421115045 is about 1124.2849896115.

Adding to 1421115045 its reverse (5405111241), we get a palindrome (6826226286).

The spelling of 1421115045 in words is "one billion, four hundred twenty-one million, one hundred fifteen thousand, forty-five".