1126625761 has 4 divisors (see below), whose sum is σ = 1127732400. Its totient is φ = 1125519124.

The previous prime is 1126625737. The next prime is 1126625789. The reversal of 1126625761 is 1675266211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1675266211 = 4153 ⋅403387.

It is a cyclic number.

It is not a de Polignac number, because 1126625761 - 2¹¹ = 1126623713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126625761.

It is not an unprimeable number, because it can be changed into a prime (1126625701) 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, 551791 + ... + 553828.

It is an arithmetic number, because the mean of its divisors is an integer number (281933100).

Almost surely, 2^1126625761 is an apocalyptic number.

It is an amenable number.

1126625761 is a deficient number, since it is larger than the sum of its proper divisors (1106639).

1126625761 is a wasteful number, since it uses less digits than its factorization.

1126625761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106638.

The product of its digits is 30240, while the sum is 37.

The square root of 1126625761 is about 33565.2463271164. The cubic root of 1126625761 is about 1040.5426658171.

The spelling of 1126625761 in words is "one billion, one hundred twenty-six million, six hundred twenty-five thousand, seven hundred sixty-one".