1123001421 has 8 divisors (see below), whose sum is σ = 1497492960. Its totient is φ = 748588752.

The previous prime is 1123001417. The next prime is 1123001431. The reversal of 1123001421 is 1241003211.

1123001421 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 1123001421 - 2² = 1123001417 is a prime.

It is a super-2 number, since 2×1123001421² = 2522264383136038482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123001421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123001401) 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, 36015 + ... + 59523.

It is an arithmetic number, because the mean of its divisors is an integer number (187186620).

Almost surely, 2^1123001421 is an apocalyptic number.

It is an amenable number.

1123001421 is a deficient number, since it is larger than the sum of its proper divisors (374491539).

1123001421 is a wasteful number, since it uses less digits than its factorization.

1123001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39435.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1123001421 is about 33511.2133620972. The cubic root of 1123001421 is about 1039.4256632204.

Adding to 1123001421 its reverse (1241003211), we get a palindrome (2364004632).

The spelling of 1123001421 in words is "one billion, one hundred twenty-three million, one thousand, four hundred twenty-one".