1072195087 has 4 divisors (see below), whose sum is σ = 1080637696. Its totient is φ = 1063752480.

The previous prime is 1072195063. The next prime is 1072195097. The reversal of 1072195087 is 7805912701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7805912701 = 21407 ⋅364643.

It is a cyclic number.

It is not a de Polignac number, because 1072195087 - 2¹¹ = 1072193039 is a prime.

It is a super-2 number, since 2×1072195087² = 2299204609173875138, 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 (1072195027) 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, 4221114 + ... + 4221367.

It is an arithmetic number, because the mean of its divisors is an integer number (270159424).

Almost surely, 2^1072195087 is an apocalyptic number.

1072195087 is a deficient number, since it is larger than the sum of its proper divisors (8442609).

1072195087 is an equidigital number, since it uses as much as digits as its factorization.

1072195087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442608.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 1072195087 is about 32744.3901607588. The cubic root of 1072195087 is about 1023.5080692634.

The spelling of 1072195087 in words is "one billion, seventy-two million, one hundred ninety-five thousand, eighty-seven".