1225136954 has 8 divisors (see below), whose sum is σ = 1862879700. Its totient is φ = 604177056.

The previous prime is 1225136911. The next prime is 1225136963. The reversal of 1225136954 is 4596315221.

It can be written as a sum of positive squares in 2 ways, for example, as 1124596225 + 100540729 = 33535^2 + 10027^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195529 + ... + 4195820.

Almost surely, 2^1225136954 is an apocalyptic number.

1225136954 is a deficient number, since it is larger than the sum of its proper divisors (637742746).

1225136954 is an equidigital number, since it uses as much as digits as its factorization.

1225136954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391424.

The product of its digits is 64800, while the sum is 38.

The square root of 1225136954 is about 35001.9564310340. The cubic root of 1225136954 is about 1070.0273536548.

The spelling of 1225136954 in words is "one billion, two hundred twenty-five million, one hundred thirty-six thousand, nine hundred fifty-four".