1241123145 has 8 divisors (see below), whose sum is σ = 1985797056. Its totient is φ = 661932336.

The previous prime is 1241123137. The next prime is 1241123167. The reversal of 1241123145 is 5413211421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1241123145 - 2³ = 1241123137 is a prime.

It is a super-2 number, since 2×1241123145² = 3080773322109382050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41370757 + ... + 41370786.

It is an arithmetic number, because the mean of its divisors is an integer number (248224632).

Almost surely, 2^1241123145 is an apocalyptic number.

1241123145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241123145 is a deficient number, since it is larger than the sum of its proper divisors (744673911).

1241123145 is an equidigital number, since it uses as much as digits as its factorization.

1241123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82741551.

The product of its digits is 960, while the sum is 24.

The square root of 1241123145 is about 35229.5777011306. The cubic root of 1241123145 is about 1074.6613377052.

Adding to 1241123145 its reverse (5413211421), we get a palindrome (6654334566).

The spelling of 1241123145 in words is "one billion, two hundred forty-one million, one hundred twenty-three thousand, one hundred forty-five".