1126742401 has 2 divisors, whose sum is σ = 1126742402. Its totient is φ = 1126742400.

The previous prime is 1126742359. The next prime is 1126742429. The reversal of 1126742401 is 1042476211.

It is an a-pointer prime, because the next prime (1126742429) can be obtained adding 1126742401 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668739600 + 458002801 = 25860^2 + 21401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126742401 - 2⁷ = 1126742273 is a prime.

It is a super-2 number, since 2×1126742401² = 2539096876422489602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1126742401.

It is not a weakly prime, because it can be changed into another prime (1126742431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563371200 + 563371201.

It is an arithmetic number, because the mean of its divisors is an integer number (563371201).

Almost surely, 2^1126742401 is an apocalyptic number.

It is an amenable number.

1126742401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126742401 is an equidigital number, since it uses as much as digits as its factorization.

1126742401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1126742401 is about 33566.9837936029. The cubic root of 1126742401 is about 1040.5785738392.

The spelling of 1126742401 in words is "one billion, one hundred twenty-six million, seven hundred forty-two thousand, four hundred one".