1122421123 has 8 divisors (see below), whose sum is σ = 1160211456. Its totient is φ = 1084729800.

The previous prime is 1122421117. The next prime is 1122421129. The reversal of 1122421123 is 3211242211.

It is an interprime number because it is at equal distance from previous prime (1122421117) and next prime (1122421129).

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 1122421123 - 2²⁹ = 585550211 is a prime.

It is a super-2 number, since 2×1122421123² = 2519658354713162258, 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 1122421123.

It is not an unprimeable number, because it can be changed into a prime (1122421129) 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, 1333 + ... + 47398.

It is an arithmetic number, because the mean of its divisors is an integer number (145026432).

Almost surely, 2^1122421123 is an apocalyptic number.

1122421123 is a deficient number, since it is larger than the sum of its proper divisors (37790333).

1122421123 is an equidigital number, since it uses as much as digits as its factorization.

1122421123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49505.

The product of its digits is 192, while the sum is 19.

The square root of 1122421123 is about 33502.5539772716. The cubic root of 1122421123 is about 1039.2465953087.

Adding to 1122421123 its reverse (3211242211), we get a palindrome (4333663334).

The spelling of 1122421123 in words is "one billion, one hundred twenty-two million, four hundred twenty-one thousand, one hundred twenty-three".