1201513534 has 8 divisors (see below), whose sum is σ = 1940906520. Its totient is φ = 554544696.

The previous prime is 1201513483. The next prime is 1201513559. The reversal of 1201513534 is 4353151021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201513499 and 1201513508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23106004 + ... + 23106055.

It is an arithmetic number, because the mean of its divisors is an integer number (242613315).

Almost surely, 2^1201513534 is an apocalyptic number.

1201513534 is a deficient number, since it is larger than the sum of its proper divisors (739392986).

1201513534 is a wasteful number, since it uses less digits than its factorization.

1201513534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46212074.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1201513534 is about 34662.8552488106. The cubic root of 1201513534 is about 1063.1051508903.

Adding to 1201513534 its reverse (4353151021), we get a palindrome (5554664555).

The spelling of 1201513534 in words is "one billion, two hundred one million, five hundred thirteen thousand, five hundred thirty-four".