1469112121 has 4 divisors (see below), whose sum is σ = 1508817892. Its totient is φ = 1429406352.

The previous prime is 1469112119. The next prime is 1469112133. The reversal of 1469112121 is 1212119641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212119641 = 29 ⋅41797229.

It can be written as a sum of positive squares in 2 ways, for example, as 1355049721 + 114062400 = 36811^2 + 10680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1469112121 - 2¹ = 1469112119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1469112121.

It is not an unprimeable number, because it can be changed into a prime (1469112101) 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, 19852830 + ... + 19852903.

It is an arithmetic number, because the mean of its divisors is an integer number (377204473).

Almost surely, 2^1469112121 is an apocalyptic number.

It is an amenable number.

1469112121 is a deficient number, since it is larger than the sum of its proper divisors (39705771).

1469112121 is an equidigital number, since it uses as much as digits as its factorization.

1469112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39705770.

The product of its digits is 864, while the sum is 28.

The square root of 1469112121 is about 38328.9984346056. The cubic root of 1469112121 is about 1136.8023969785.

The spelling of 1469112121 in words is "one billion, four hundred sixty-nine million, one hundred twelve thousand, one hundred twenty-one".