1372225037 has 8 divisors (see below), whose sum is σ = 1378538616. Its totient is φ = 1365921792.

The previous prime is 1372225027. The next prime is 1372225061. The reversal of 1372225037 is 7305222731.

It can be written as a sum of positive squares in 4 ways, for example, as 5148361 + 1367076676 = 2269^2 + 36974^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372225037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372224994 and 1372225012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372225007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395213 + ... + 398669.

It is an arithmetic number, because the mean of its divisors is an integer number (172317327).

Almost surely, 2^1372225037 is an apocalyptic number.

It is an amenable number.

1372225037 is a deficient number, since it is larger than the sum of its proper divisors (6313579).

1372225037 is a wasteful number, since it uses less digits than its factorization.

1372225037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1372225037 is about 37043.5559443205. Note that the first 3 decimals coincide. The cubic root of 1372225037 is about 1111.2414854324.

Adding to 1372225037 its reverse (7305222731), we get a palindrome (8677447768).

The spelling of 1372225037 in words is "one billion, three hundred seventy-two million, two hundred twenty-five thousand, thirty-seven".