1214332155 has 60 divisors (see below), whose sum is σ = 2254270656. Its totient is φ = 624736800.

The previous prime is 1214332139. The next prime is 1214332181. The reversal of 1214332155 is 5512334121.

1214332155 is a `hidden beast` number, since 12 + 1 + 433 + 215 + 5 = 666.

It is not a de Polignac number, because 1214332155 - 2⁴ = 1214332139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3904450 + ... + 3904760.

Almost surely, 2^1214332155 is an apocalyptic number.

1214332155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1214332155 is a deficient number, since it is larger than the sum of its proper divisors (1039938501).

1214332155 is an frugal number, since it uses more digits than its factorization.

1214332155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 350 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1214332155 is about 34847.2689747705. The cubic root of 1214332155 is about 1066.8724449456.

Adding to 1214332155 its reverse (5512334121), we get a palindrome (6726666276).

The spelling of 1214332155 in words is "one billion, two hundred fourteen million, three hundred thirty-two thousand, one hundred fifty-five".