1293086122 has 4 divisors (see below), whose sum is σ = 1939629186. Its totient is φ = 646543060.

The previous prime is 1293086117. The next prime is 1293086129. The reversal of 1293086122 is 2216803921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2216803921 = 73 ⋅30367177.

It can be written as a sum of positive squares in only one way, i.e., 1206242361 + 86843761 = 34731^2 + 9319^2 .

It is not an unprimeable number, because it can be changed into a prime (1293086129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323271529 + ... + 323271532.

Almost surely, 2^1293086122 is an apocalyptic number.

1293086122 is a deficient number, since it is larger than the sum of its proper divisors (646543064).

1293086122 is an equidigital number, since it uses as much as digits as its factorization.

1293086122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646543063.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1293086122 is about 35959.5066985074. The cubic root of 1293086122 is about 1089.4546333314.

The spelling of 1293086122 in words is "one billion, two hundred ninety-three million, eighty-six thousand, one hundred twenty-two".