1226963577 has 48 divisors (see below), whose sum is σ = 1945000512. Its totient is φ = 685802880.

The previous prime is 1226963561. The next prime is 1226963629. The reversal of 1226963577 is 7753696221.

It is not a de Polignac number, because 1226963577 - 2⁴ = 1226963561 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1226963527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2627098 + ... + 2627564.

It is an arithmetic number, because the mean of its divisors is an integer number (40520844).

Almost surely, 2^1226963577 is an apocalyptic number.

It is an amenable number.

1226963577 is a deficient number, since it is larger than the sum of its proper divisors (718036935).

1226963577 is a wasteful number, since it uses less digits than its factorization.

1226963577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 831 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 1226963577 is about 35028.0398680828. The cubic root of 1226963577 is about 1070.5588768170.

The spelling of 1226963577 in words is "one billion, two hundred twenty-six million, nine hundred sixty-three thousand, five hundred seventy-seven".