1355121422 has 16 divisors (see below), whose sum is σ = 2090394432. Its totient is φ = 658452480.

The previous prime is 1355121421. The next prime is 1355121451. The reversal of 1355121422 is 2241215531.

It is a junction number, because it is equal to n+sod(n) for n = 1355121391 and 1355121400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355121421) 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, 11078 + ... + 53225.

It is an arithmetic number, because the mean of its divisors is an integer number (130649652).

Almost surely, 2^1355121422 is an apocalyptic number.

1355121422 is a deficient number, since it is larger than the sum of its proper divisors (735273010).

1355121422 is a wasteful number, since it uses less digits than its factorization.

1355121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64603.

The product of its digits is 2400, while the sum is 26.

The square root of 1355121422 is about 36811.9738943730. The cubic root of 1355121422 is about 1106.6052770941.

Adding to 1355121422 its reverse (2241215531), we get a palindrome (3596336953).

The spelling of 1355121422 in words is "one billion, three hundred fifty-five million, one hundred twenty-one thousand, four hundred twenty-two".