1142770199 has 4 divisors (see below), whose sum is σ = 1146421536. Its totient is φ = 1139118864.

The previous prime is 1142770147. The next prime is 1142770217. The reversal of 1142770199 is 9910772411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9910772411 = 12049 ⋅822539.

It is a cyclic number.

It is not a de Polignac number, because 1142770199 - 2²⁴ = 1125992983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142770999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825199 + ... + 1825824.

It is an arithmetic number, because the mean of its divisors is an integer number (286605384).

Almost surely, 2^1142770199 is an apocalyptic number.

1142770199 is a deficient number, since it is larger than the sum of its proper divisors (3651337).

1142770199 is an equidigital number, since it uses as much as digits as its factorization.

1142770199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651336.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1142770199 is about 33804.8842476941. The cubic root of 1142770199 is about 1045.4894036310.

The spelling of 1142770199 in words is "one billion, one hundred forty-two million, seven hundred seventy thousand, one hundred ninety-nine".