1274622121 has 8 divisors (see below), whose sum is σ = 1304883144. Its totient is φ = 1244707200.

The previous prime is 1274622109. The next prime is 1274622131. The reversal of 1274622121 is 1212264721.

It can be written as a sum of positive squares in 4 ways, for example, as 334341225 + 940280896 = 18285^2 + 30664^2 .

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 1274622121 - 2¹³ = 1274613929 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 1274622121.

It is not an unprimeable number, because it can be changed into a prime (1274622131) 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, 79066 + ... + 93811.

It is an arithmetic number, because the mean of its divisors is an integer number (163110393).

Almost surely, 2^1274622121 is an apocalyptic number.

It is an amenable number.

1274622121 is a deficient number, since it is larger than the sum of its proper divisors (30261023).

1274622121 is a wasteful number, since it uses less digits than its factorization.

1274622121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173051.

The product of its digits is 2688, while the sum is 28.

The square root of 1274622121 is about 35701.8503862195. The cubic root of 1274622121 is about 1084.2443069059.

Adding to 1274622121 its reverse (1212264721), we get a palindrome (2486886842).

The spelling of 1274622121 in words is "one billion, two hundred seventy-four million, six hundred twenty-two thousand, one hundred twenty-one".