1122601312 has 48 divisors (see below), whose sum is σ = 2594138400. Its totient is φ = 468108288.

The previous prime is 1122601309. The next prime is 1122601367. The reversal of 1122601312 is 2131062211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122601312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59437 + ... + 76012.

It is an arithmetic number, because the mean of its divisors is an integer number (54044550).

Almost surely, 2^1122601312 is an apocalyptic number.

It is an amenable number.

1122601312 is an abundant number, since it is smaller than the sum of its proper divisors (1471537088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122601312 is a wasteful number, since it uses less digits than its factorization.

1122601312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135503 (or 135495 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1122601312 is about 33505.2430523941. The cubic root of 1122601312 is about 1039.3022044976.

Adding to 1122601312 its reverse (2131062211), we get a palindrome (3253663523).

The spelling of 1122601312 in words is "one billion, one hundred twenty-two million, six hundred one thousand, three hundred twelve".