1226077401 has 4 divisors (see below), whose sum is σ = 1634769872. Its totient is φ = 817384932.

The previous prime is 1226077397. The next prime is 1226077403. The reversal of 1226077401 is 1047706221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1047706221 = 3 ⋅349235407.

It is not a de Polignac number, because 1226077401 - 2² = 1226077397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226077403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204346231 + ... + 204346236.

It is an arithmetic number, because the mean of its divisors is an integer number (408692468).

Almost surely, 2^1226077401 is an apocalyptic number.

It is an amenable number.

1226077401 is a deficient number, since it is larger than the sum of its proper divisors (408692471).

1226077401 is an equidigital number, since it uses as much as digits as its factorization.

1226077401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408692470.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1226077401 is about 35015.3880601087. The cubic root of 1226077401 is about 1070.3010772394.

The spelling of 1226077401 in words is "one billion, two hundred twenty-six million, seventy-seven thousand, four hundred one".