1161012607 has 4 divisors (see below), whose sum is σ = 1211491440. Its totient is φ = 1110533776.

The previous prime is 1161012581. The next prime is 1161012617. The reversal of 1161012607 is 7062101611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1161012607 - 2¹⁹ = 1160488319 is a prime.

It is a super-2 number, since 2×1161012607² = 2695900547225872898, 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 (1161012617) 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, 25239382 + ... + 25239427.

It is an arithmetic number, because the mean of its divisors is an integer number (302872860).

Almost surely, 2^1161012607 is an apocalyptic number.

1161012607 is a deficient number, since it is larger than the sum of its proper divisors (50478833).

1161012607 is an equidigital number, since it uses as much as digits as its factorization.

1161012607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50478832.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1161012607 is about 34073.6350717090. The cubic root of 1161012607 is about 1051.0232223520.

The spelling of 1161012607 in words is "one billion, one hundred sixty-one million, twelve thousand, six hundred seven".