1421260045 has 32 divisors (see below), whose sum is σ = 1831382784. Its totient is φ = 1056422400.

The previous prime is 1421260033. The next prime is 1421260051. The reversal of 1421260045 is 5400621241.

It is a happy number.

It is not a de Polignac number, because 1421260045 - 2¹¹ = 1421257997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581025 + ... + 583465.

It is an arithmetic number, because the mean of its divisors is an integer number (57230712).

Almost surely, 2^1421260045 is an apocalyptic number.

It is an amenable number.

1421260045 is a deficient number, since it is larger than the sum of its proper divisors (410122739).

1421260045 is a wasteful number, since it uses less digits than its factorization.

1421260045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1421260045 is about 37699.6027167396. The cubic root of 1421260045 is about 1124.3232262013.

Adding to 1421260045 its reverse (5400621241), we get a palindrome (6821881286).

The spelling of 1421260045 in words is "one billion, four hundred twenty-one million, two hundred sixty thousand, forty-five".