1214402045 has 8 divisors (see below), whose sum is σ = 1465707096. Its totient is φ = 965905216.

The previous prime is 1214402039. The next prime is 1214402069. The reversal of 1214402045 is 5402044121.

It can be written as a sum of positive squares in 4 ways, for example, as 70744921 + 1143657124 = 8411^2 + 33818^2 .

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 1214402045 - 2¹⁰ = 1214401021 is a prime.

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 1214402045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701102 + ... + 702831.

It is an arithmetic number, because the mean of its divisors is an integer number (183213387).

Almost surely, 2^1214402045 is an apocalyptic number.

It is an amenable number.

1214402045 is a deficient number, since it is larger than the sum of its proper divisors (251305051).

1214402045 is a wasteful number, since it uses less digits than its factorization.

1214402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404111.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1214402045 is about 34848.2717648953. The cubic root of 1214402045 is about 1066.8929122409.

Adding to 1214402045 its reverse (5402044121), we get a palindrome (6616446166).

The spelling of 1214402045 in words is "one billion, two hundred fourteen million, four hundred two thousand, forty-five".