1201415480281 has 9 divisors (see below), whose sum is σ = 1267997874591. Its totient is φ = 1138163356944.

The previous prime is 1201415480267. The next prime is 1201415480333. The reversal of 1201415480281 is 1820845141021.

The square root of 1201415480281 is 1096091.

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., 179698840281 + 1021716640000 = 423909^2 + 1010800^2 .

It is not a de Polignac number, because 1201415480281 - 2¹⁷ = 1201415349209 is a prime.

It is a super-2 number, since 2×1201415480281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201415480281.

It is not an unprimeable number, because it can be changed into a prime (1201415480381) 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, 20796885 + ... + 20854573.

Almost surely, 2^{1201415480281} is an apocalyptic number.

1201415480281 is the 1096091-st square number.

1201415480281 is the 548046-th centered octagonal number.

It is an amenable number.

1201415480281 is a deficient number, since it is larger than the sum of its proper divisors (66582394310).

1201415480281 is an frugal number, since it uses more digits than its factorization.

1201415480281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115416 (or 57708 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 1201415480281 in words is "one trillion, two hundred one billion, four hundred fifteen million, four hundred eighty thousand, two hundred eighty-one".