1226986252 has 24 divisors (see below), whose sum is σ = 2238633936. Its totient is φ = 587915328.

The previous prime is 1226986177. The next prime is 1226986283. The reversal of 1226986252 is 2526896221.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 1226986199 and 1226986208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58183 + ... + 76414.

It is an arithmetic number, because the mean of its divisors is an integer number (93276414).

Almost surely, 2^1226986252 is an apocalyptic number.

It is an amenable number.

1226986252 is a deficient number, since it is larger than the sum of its proper divisors (1011647684).

1226986252 is a wasteful number, since it uses less digits than its factorization.

1226986252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134697 (or 134695 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 1226986252 is about 35028.3635358548. The cubic root of 1226986252 is about 1070.5654716265.

The spelling of 1226986252 in words is "one billion, two hundred twenty-six million, nine hundred eighty-six thousand, two hundred fifty-two".