1210272172 has 12 divisors (see below), whose sum is σ = 2157938496. Its totient is φ = 593718320.

The previous prime is 1210272169. The next prime is 1210272191. The reversal of 1210272172 is 2712720121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854204 + ... + 2854627.

It is an arithmetic number, because the mean of its divisors is an integer number (179828208).

Almost surely, 2^1210272172 is an apocalyptic number.

It is an amenable number.

1210272172 is a deficient number, since it is larger than the sum of its proper divisors (947666324).

1210272172 is a wasteful number, since it uses less digits than its factorization.

1210272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708888 (or 5708886 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1210272172 is about 34788.9662393121. The cubic root of 1210272172 is about 1065.6821280473.

Adding to 1210272172 its reverse (2712720121), we get a palindrome (3922992293).

The spelling of 1210272172 in words is "one billion, two hundred ten million, two hundred seventy-two thousand, one hundred seventy-two".