1123140371 has 8 divisors (see below), whose sum is σ = 1126514400. Its totient is φ = 1119772800.

The previous prime is 1123140353. The next prime is 1123140397. The reversal of 1123140371 is 1730413211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1123140371 - 2¹⁴ = 1123123987 is a prime.

It is a super-2 number, since 2×1123140371² = 2522888585940035282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123140311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850850 + ... + 852168.

It is an arithmetic number, because the mean of its divisors is an integer number (140814300).

Almost surely, 2^1123140371 is an apocalyptic number.

1123140371 is a deficient number, since it is larger than the sum of its proper divisors (3374029).

1123140371 is a wasteful number, since it uses less digits than its factorization.

1123140371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1123140371 is about 33513.2864846168. The cubic root of 1123140371 is about 1039.4685311506.

Adding to 1123140371 its reverse (1730413211), we get a palindrome (2853553582).

The spelling of 1123140371 in words is "one billion, one hundred twenty-three million, one hundred forty thousand, three hundred seventy-one".