1214251455 has 16 divisors (see below), whose sum is σ = 1943236224. Its totient is φ = 647456160.

The previous prime is 1214251417. The next prime is 1214251463. The reversal of 1214251455 is 5541524121.

It is not a de Polignac number, because 1214251455 - 2¹⁹ = 1213727167 is a prime.

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, 117612 + ... + 127518.

It is an arithmetic number, because the mean of its divisors is an integer number (121452264).

Almost surely, 2^1214251455 is an apocalyptic number.

1214251455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1214251455 is a deficient number, since it is larger than the sum of its proper divisors (728984769).

1214251455 is an equidigital number, since it uses as much as digits as its factorization.

1214251455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18086.

The product of its digits is 8000, while the sum is 30.

The square root of 1214251455 is about 34846.1110455672. Note that the first 3 decimals coincide. The cubic root of 1214251455 is about 1066.8488109634.

Adding to 1214251455 its reverse (5541524121), we get a palindrome (6755775576).

The spelling of 1214251455 in words is "one billion, two hundred fourteen million, two hundred fifty-one thousand, four hundred fifty-five".