1123141405 has 16 divisors (see below), whose sum is σ = 1430213760. Its totient is φ = 844875328.

The previous prime is 1123141379. The next prime is 1123141423. The reversal of 1123141405 is 5041413211.

It is a cyclic number.

It is not a de Polignac number, because 1123141405 - 2⁵ = 1123141373 is a prime.

It is a super-2 number, since 2×1123141405² = 2522893231250748050, which contains 22 as substring.

It is a congruent number.

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, 75982 + ... + 89551.

It is an arithmetic number, because the mean of its divisors is an integer number (89388360).

Almost surely, 2^1123141405 is an apocalyptic number.

It is an amenable number.

1123141405 is a deficient number, since it is larger than the sum of its proper divisors (307072355).

1123141405 is a wasteful number, since it uses less digits than its factorization.

1123141405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165620.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1123141405 is about 33513.3019113307. The cubic root of 1123141405 is about 1039.4688501402.

Adding to 1123141405 its reverse (5041413211), we get a palindrome (6164554616).

The spelling of 1123141405 in words is "one billion, one hundred twenty-three million, one hundred forty-one thousand, four hundred five".