1481212155 has 16 divisors (see below), whose sum is σ = 2370484224. Its totient is φ = 789798240.

The previous prime is 1481212151. The next prime is 1481212163. The reversal of 1481212155 is 5512121841.

It is not a de Polignac number, because 1481212155 - 2² = 1481212151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481212151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79590 + ... + 96420.

It is an arithmetic number, because the mean of its divisors is an integer number (148155264).

Almost surely, 2^1481212155 is an apocalyptic number.

1481212155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1481212155 is a deficient number, since it is larger than the sum of its proper divisors (889272069).

1481212155 is a wasteful number, since it uses less digits than its factorization.

1481212155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22706.

The product of its digits is 3200, while the sum is 30.

The square root of 1481212155 is about 38486.5191333277. The cubic root of 1481212155 is about 1139.9148789937.

Adding to 1481212155 its reverse (5512121841), we get a palindrome (6993333996).

The spelling of 1481212155 in words is "one billion, four hundred eighty-one million, two hundred twelve thousand, one hundred fifty-five".