83480121 has 6 divisors (see below), whose sum is σ = 120582410. Its totient is φ = 55653408.

The previous prime is 83480119. The next prime is 83480123. The reversal of 83480121 is 12108438.

It is an interprime number because it is at equal distance from previous prime (83480119) and next prime (83480123).

It can be written as a sum of positive squares in only one way, i.e., 57836025 + 25644096 = 7605^2 + 5064^2 .

It is not a de Polignac number, because 83480121 - 2¹ = 83480119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83480123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4637776 + ... + 4637793.

Almost surely, 2^83480121 is an apocalyptic number.

It is an amenable number.

83480121 is a deficient number, since it is larger than the sum of its proper divisors (37102289).

83480121 is a wasteful number, since it uses less digits than its factorization.

83480121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275575 (or 9275572 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 83480121 is about 9136.7456460164. The cubic root of 83480121 is about 437.0465436098.

Adding to 83480121 its reverse (12108438), we get a palindrome (95588559).

The spelling of 83480121 in words is "eighty-three million, four hundred eighty thousand, one hundred twenty-one".