1123421002 has 8 divisors (see below), whose sum is σ = 1838325312. Its totient is φ = 510645900.

The previous prime is 1123420981. The next prime is 1123421003. The reversal of 1123421002 is 2001243211.

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

It is not an unprimeable number, because it can be changed into a prime (1123421003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25532274 + ... + 25532317.

It is an arithmetic number, because the mean of its divisors is an integer number (229790664).

Almost surely, 2^1123421002 is an apocalyptic number.

1123421002 is a deficient number, since it is larger than the sum of its proper divisors (714904310).

1123421002 is a wasteful number, since it uses less digits than its factorization.

1123421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51064604.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123421002 is about 33517.4730849448. The cubic root of 1123421002 is about 1039.5550987809. Note that the first 3 decimals are identical.

Adding to 1123421002 its reverse (2001243211), we get a palindrome (3124664213).

The spelling of 1123421002 in words is "one billion, one hundred twenty-three million, four hundred twenty-one thousand, two".