1190912953 has 4 divisors (see below), whose sum is σ = 1191116260. Its totient is φ = 1190709648.

The previous prime is 1190912939. The next prime is 1190912971. The reversal of 1190912953 is 3592190911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3592190911 = 53 ⋅67777187.

It can be written as a sum of positive squares in 2 ways, for example, as 224760064 + 966152889 = 14992^2 + 31083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190912953 - 2¹³ = 1190904761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1190912903) 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, 92598 + ... + 104671.

It is an arithmetic number, because the mean of its divisors is an integer number (297779065).

Almost surely, 2^1190912953 is an apocalyptic number.

It is an amenable number.

1190912953 is a deficient number, since it is larger than the sum of its proper divisors (203307).

1190912953 is an equidigital number, since it uses as much as digits as its factorization.

1190912953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203306.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 1190912953 is about 34509.6066769820. The cubic root of 1190912953 is about 1059.9694286306.

The spelling of 1190912953 in words is "one billion, one hundred ninety million, nine hundred twelve thousand, nine hundred fifty-three".