1122877196281 has 9 divisors (see below), whose sum is σ = 1131654110223. Its totient is φ = 1114167858960.

The previous prime is 1122877196239. The next prime is 1122877196291. The reversal of 1122877196281 is 1826917782211.

The square root of 1122877196281 is 1059659.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13562698681 + 1109314497600 = 116459^2 + 1053240^2 .

It is not a de Polignac number, because 1122877196281 - 2¹⁷ = 1122877065209 is a prime.

It is a super-2 number, since 2×1122877196281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122877196291) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 138811285 + ... + 138819373.

Almost surely, 2^{1122877196281} is an apocalyptic number.

1122877196281 is the 1059659-th square number.

1122877196281 is the 529830-th centered octagonal number.

It is an amenable number.

1122877196281 is a deficient number, since it is larger than the sum of its proper divisors (8776913942).

1122877196281 is an frugal number, since it uses more digits than its factorization.

1122877196281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440 (or 8220 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 55.

The spelling of 1122877196281 in words is "one trillion, one hundred twenty-two billion, eight hundred seventy-seven million, one hundred ninety-six thousand, two hundred eighty-one".