1201507230 has 128 divisors (see below), whose sum is σ = 3618349056. Its totient is φ = 248054400.

The previous prime is 1201507193. The next prime is 1201507231. The reversal of 1201507230 is 327051021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1201507197 and 1201507206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201507231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 374935 + ... + 378125.

It is an arithmetic number, because the mean of its divisors is an integer number (28268352).

Almost surely, 2^1201507230 is an apocalyptic number.

1201507230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201507230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809174528).

1201507230 is an abundant number, since it is smaller than the sum of its proper divisors (2416841826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201507230 is a wasteful number, since it uses less digits than its factorization.

1201507230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1201507230 is about 34662.7643156168. The cubic root of 1201507230 is about 1063.1032916168.

Adding to 1201507230 its reverse (327051021), we get a palindrome (1528558251).

The spelling of 1201507230 in words is "one billion, two hundred one million, five hundred seven thousand, two hundred thirty".