1421123115 has 8 divisors (see below), whose sum is σ = 2273797008. Its totient is φ = 757932320.

The previous prime is 1421123101. The next prime is 1421123117. The reversal of 1421123115 is 5113211241.

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

It is not a de Polignac number, because 1421123115 - 2⁶ = 1421123051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421123091 and 1421123100.

It is not an unprimeable number, because it can be changed into a prime (1421123117) 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, 47370756 + ... + 47370785.

It is an arithmetic number, because the mean of its divisors is an integer number (284224626).

Almost surely, 2^1421123115 is an apocalyptic number.

1421123115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421123115 is a deficient number, since it is larger than the sum of its proper divisors (852673893).

1421123115 is an equidigital number, since it uses as much as digits as its factorization.

1421123115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94741549.

The product of its digits is 240, while the sum is 21.

The square root of 1421123115 is about 37697.7866061126. The cubic root of 1421123115 is about 1124.2871177438.

Adding to 1421123115 its reverse (5113211241), we get a palindrome (6534334356).

The spelling of 1421123115 in words is "one billion, four hundred twenty-one million, one hundred twenty-three thousand, one hundred fifteen".