1011126407 has 4 divisors (see below), whose sum is σ = 1025367696. Its totient is φ = 996885120.

The previous prime is 1011126317. The next prime is 1011126409. The reversal of 1011126407 is 7046211101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7046211101 = 131 ⋅53787871.

It is a cyclic number.

It is not a de Polignac number, because 1011126407 - 2¹⁸ = 1010864263 is a prime.

It is a super-2 number, since 2×1011126407² = 2044753221865459298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011126409) 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, 7120538 + ... + 7120679.

It is an arithmetic number, because the mean of its divisors is an integer number (256341924).

Almost surely, 2^1011126407 is an apocalyptic number.

1011126407 is a deficient number, since it is larger than the sum of its proper divisors (14241289).

1011126407 is an equidigital number, since it uses as much as digits as its factorization.

1011126407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241288.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1011126407 is about 31798.2138963810. The cubic root of 1011126407 is about 1003.6951315186.

Adding to 1011126407 its reverse (7046211101), we get a palindrome (8057337508).

The spelling of 1011126407 in words is "one billion, eleven million, one hundred twenty-six thousand, four hundred seven".