1241154145 has 64 divisors (see below), whose sum is σ = 1916338176. Its totient is φ = 749306880.

The previous prime is 1241154133. The next prime is 1241154169. The reversal of 1241154145 is 5414511421.

It is not a de Polignac number, because 1241154145 - 2⁵ = 1241154113 is a prime.

It is a super-2 number, since 2×1241154145² = 3080927223301362050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2044432 + ... + 2045038.

It is an arithmetic number, because the mean of its divisors is an integer number (29942784).

Almost surely, 2^1241154145 is an apocalyptic number.

It is an amenable number.

1241154145 is a deficient number, since it is larger than the sum of its proper divisors (675184031).

1241154145 is a wasteful number, since it uses less digits than its factorization.

1241154145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 3200, while the sum is 28.

The square root of 1241154145 is about 35230.0176695953. The cubic root of 1241154145 is about 1074.6702850376.

Adding to 1241154145 its reverse (5414511421), we get a palindrome (6655665566).

The spelling of 1241154145 in words is "one billion, two hundred forty-one million, one hundred fifty-four thousand, one hundred forty-five".