1252061194 has 4 divisors (see below), whose sum is σ = 1878091794. Its totient is φ = 626030596.

The previous prime is 1252061137. The next prime is 1252061197. The reversal of 1252061194 is 4911602521.

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

It can be written as a sum of positive squares in only one way, i.e., 712195969 + 539865225 = 26687^2 + 23235^2 .

It is not an unprimeable number, because it can be changed into a prime (1252061197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313015297 + ... + 313015300.

Almost surely, 2^1252061194 is an apocalyptic number.

1252061194 is a deficient number, since it is larger than the sum of its proper divisors (626030600).

1252061194 is an equidigital number, since it uses as much as digits as its factorization.

1252061194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626030599.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1252061194 is about 35384.4767376882. The cubic root of 1252061194 is about 1077.8091142489.

The spelling of 1252061194 in words is "one billion, two hundred fifty-two million, sixty-one thousand, one hundred ninety-four".