122447513 has 4 divisors (see below), whose sum is σ = 122469648. Its totient is φ = 122425380.

The previous prime is 122447461. The next prime is 122447519. The reversal of 122447513 is 315744221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122447513 - 2¹⁴ = 122431129 is a prime.

It is a super-3 number, since 3×122447513³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122447519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5270 + ... + 16512.

It is an arithmetic number, because the mean of its divisors is an integer number (30617412).

Almost surely, 2^122447513 is an apocalyptic number.

It is an amenable number.

122447513 is a deficient number, since it is larger than the sum of its proper divisors (22135).

122447513 is a wasteful number, since it uses less digits than its factorization.

122447513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22134.

The product of its digits is 6720, while the sum is 29.

The square root of 122447513 is about 11065.6004355841. The cubic root of 122447513 is about 496.5732524544.

The spelling of 122447513 in words is "one hundred twenty-two million, four hundred forty-seven thousand, five hundred thirteen".