1226061137 has 16 divisors (see below), whose sum is σ = 1432650240. Its totient is φ = 1027470912.

The previous prime is 1226061121. The next prime is 1226061139. The reversal of 1226061137 is 7311606221.

It is a cyclic number.

It is not a de Polignac number, because 1226061137 - 2⁴ = 1226061121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226061139) 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, 103064 + ... + 114342.

It is an arithmetic number, because the mean of its divisors is an integer number (89540640).

Almost surely, 2^1226061137 is an apocalyptic number.

It is an amenable number.

1226061137 is a deficient number, since it is larger than the sum of its proper divisors (206589103).

1226061137 is a wasteful number, since it uses less digits than its factorization.

1226061137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1226061137 is about 35015.1558185880. The cubic root of 1226061137 is about 1070.2963446797.

Adding to 1226061137 its reverse (7311606221), we get a palindrome (8537667358).

The spelling of 1226061137 in words is "one billion, two hundred twenty-six million, sixty-one thousand, one hundred thirty-seven".