1241634155 has 16 divisors (see below), whose sum is σ = 1513728000. Its totient is φ = 977514720.

The previous prime is 1241634133. The next prime is 1241634161. The reversal of 1241634155 is 5514361421.

It is not a de Polignac number, because 1241634155 - 2¹² = 1241630059 is a prime.

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, 209726 + ... + 215564.

It is an arithmetic number, because the mean of its divisors is an integer number (94608000).

Almost surely, 2^1241634155 is an apocalyptic number.

1241634155 is a deficient number, since it is larger than the sum of its proper divisors (272093845).

1241634155 is an equidigital number, since it uses as much as digits as its factorization.

1241634155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514.

The product of its digits is 14400, while the sum is 32.

The square root of 1241634155 is about 35236.8295253702. The cubic root of 1241634155 is about 1074.8088082551.

Adding to 1241634155 its reverse (5514361421), we get a palindrome (6755995576).

The spelling of 1241634155 in words is "one billion, two hundred forty-one million, six hundred thirty-four thousand, one hundred fifty-five".