1123525401 has 8 divisors (see below), whose sum is σ = 1498476000. Its totient is φ = 748795872.

The previous prime is 1123525397. The next prime is 1123525421. The reversal of 1123525401 is 1045253211.

It is a happy number.

1123525401 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1123525401 - 2² = 1123525397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123525421) 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, 43020 + ... + 64013.

It is an arithmetic number, because the mean of its divisors is an integer number (187309500).

Almost surely, 2^1123525401 is an apocalyptic number.

It is an amenable number.

1123525401 is a deficient number, since it is larger than the sum of its proper divisors (374950599).

1123525401 is a wasteful number, since it uses less digits than its factorization.

1123525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110535.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1123525401 is about 33519.0304304883. The cubic root of 1123525401 is about 1039.5872995768.

Adding to 1123525401 its reverse (1045253211), we get a palindrome (2168778612).

The spelling of 1123525401 in words is "one billion, one hundred twenty-three million, five hundred twenty-five thousand, four hundred one".