1262663225 has 12 divisors (see below), whose sum is σ = 1599016704. Its totient is φ = 988637520.

The previous prime is 1262663191. The next prime is 1262663231. The reversal of 1262663225 is 5223662621.

It is not a de Polignac number, because 1262663225 - 2¹⁶ = 1262597689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536129 + ... + 538478.

It is an arithmetic number, because the mean of its divisors is an integer number (133251392).

Almost surely, 2^1262663225 is an apocalyptic number.

It is an amenable number.

1262663225 is a deficient number, since it is larger than the sum of its proper divisors (336353479).

1262663225 is a wasteful number, since it uses less digits than its factorization.

1262663225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074664 (or 1074659 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1262663225 is about 35533.9728288296. The cubic root of 1262663225 is about 1080.8427421431.

The spelling of 1262663225 in words is "one billion, two hundred sixty-two million, six hundred sixty-three thousand, two hundred twenty-five".