1226136970 has 32 divisors (see below), whose sum is σ = 2237680080. Its totient is φ = 483686400.

The previous prime is 1226136953. The next prime is 1226136973. The reversal of 1226136970 is 796316221.

It can be written as a sum of positive squares in 8 ways, for example, as 154032921 + 1072104049 = 12411^2 + 32743^2 .

It is not an unprimeable number, because it can be changed into a prime (1226136973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269434 + ... + 273946.

Almost surely, 2^1226136970 is an apocalyptic number.

1226136970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226136970 is a deficient number, since it is larger than the sum of its proper divisors (1011543110).

1226136970 is a wasteful number, since it uses less digits than its factorization.

1226136970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1226136970 is about 35016.2386615125. The cubic root of 1226136970 is about 1070.3184104932.

The spelling of 1226136970 in words is "one billion, two hundred twenty-six million, one hundred thirty-six thousand, nine hundred seventy".