1139226701 has 2 divisors, whose sum is σ = 1139226702. Its totient is φ = 1139226700.

The previous prime is 1139226677. The next prime is 1139226727. The reversal of 1139226701 is 1076229311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695113225 + 444113476 = 26365^2 + 21074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139226701 - 2⁶ = 1139226637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139226761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569613350 + 569613351.

It is an arithmetic number, because the mean of its divisors is an integer number (569613351).

Almost surely, 2^1139226701 is an apocalyptic number.

It is an amenable number.

1139226701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139226701 is an equidigital number, since it uses as much as digits as its factorization.

1139226701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1139226701 is about 33752.4325197459. The cubic root of 1139226701 is about 1044.4076681001.

The spelling of 1139226701 in words is "one billion, one hundred thirty-nine million, two hundred twenty-six thousand, seven hundred one".