1423121001 has 8 divisors (see below), whose sum is σ = 1900820064. Its totient is φ = 947084640.

The previous prime is 1423120981. The next prime is 1423121003. The reversal of 1423121001 is 1001213241.

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

It is not a de Polignac number, because 1423121001 - 2¹³ = 1423112809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423121003) 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, 413676 + ... + 417101.

It is an arithmetic number, because the mean of its divisors is an integer number (237602508).

Almost surely, 2^1423121001 is an apocalyptic number.

It is an amenable number.

1423121001 is a deficient number, since it is larger than the sum of its proper divisors (477699063).

1423121001 is an equidigital number, since it uses as much as digits as its factorization.

1423121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831351.

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

The square root of 1423121001 is about 37724.2760169099. The cubic root of 1423121001 is about 1124.8137307408.

Adding to 1423121001 its reverse (1001213241), we get a palindrome (2424334242).

The spelling of 1423121001 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, one".