1226653461 has 24 divisors (see below), whose sum is σ = 1957388160. Its totient is φ = 734011200.

The previous prime is 1226653459. The next prime is 1226653469. The reversal of 1226653461 is 1643566221.

1226653461 is a `hidden beast` number, since 1 + 2 + 2 + 66 + 534 + 61 = 666.

It is not a de Polignac number, because 1226653461 - 2¹ = 1226653459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226653469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70600 + ... + 86241.

It is an arithmetic number, because the mean of its divisors is an integer number (81557840).

Almost surely, 2^1226653461 is an apocalyptic number.

1226653461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1226653461 is a deficient number, since it is larger than the sum of its proper divisors (730734699).

1226653461 is a wasteful number, since it uses less digits than its factorization.

1226653461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156937 (or 156934 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1226653461 is about 35023.6129061523. The cubic root of 1226653461 is about 1070.4686743536.

The spelling of 1226653461 in words is "one billion, two hundred twenty-six million, six hundred fifty-three thousand, four hundred sixty-one".