1293142022 has 16 divisors (see below), whose sum is σ = 1952218800. Its totient is φ = 642416352.

The previous prime is 1293142013. The next prime is 1293142027. The reversal of 1293142022 is 2202413921.

It is a junction number, because it is equal to n+sod(n) for n = 1293141982 and 1293142000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293142027) 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, 201353 + ... + 207675.

It is an arithmetic number, because the mean of its divisors is an integer number (122013675).

Almost surely, 2^1293142022 is an apocalyptic number.

1293142022 is a deficient number, since it is larger than the sum of its proper divisors (659076778).

1293142022 is a wasteful number, since it uses less digits than its factorization.

1293142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1293142022 is about 35960.2839532727. The cubic root of 1293142022 is about 1089.4703321147.

Adding to 1293142022 its reverse (2202413921), we get a palindrome (3495555943).

The spelling of 1293142022 in words is "one billion, two hundred ninety-three million, one hundred forty-two thousand, twenty-two".