1242014455 has 16 divisors (see below), whose sum is σ = 1656591264. Its totient is φ = 886238080.

The previous prime is 1242014447. The next prime is 1242014461. The reversal of 1242014455 is 5544102421.

It is not a de Polignac number, because 1242014455 - 2³ = 1242014447 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 15 ways as a sum of consecutive naturals, for example, 210124 + ... + 215953.

It is an arithmetic number, because the mean of its divisors is an integer number (103536954).

Almost surely, 2^1242014455 is an apocalyptic number.

1242014455 is a deficient number, since it is larger than the sum of its proper divisors (414576809).

1242014455 is a wasteful number, since it uses less digits than its factorization.

1242014455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426146.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1242014455 is about 35242.2254547014. The cubic root of 1242014455 is about 1074.9185314140.

Adding to 1242014455 its reverse (5544102421), we get a palindrome (6786116876).

The spelling of 1242014455 in words is "one billion, two hundred forty-two million, fourteen thousand, four hundred fifty-five".