1142370447 has 16 divisors (see below), whose sum is σ = 1543782240. Its totient is φ = 751308800.

The previous prime is 1142370433. The next prime is 1142370451. The reversal of 1142370447 is 7440732411.

It is a cyclic number.

It is not a de Polignac number, because 1142370447 - 2⁴ = 1142370431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142370547) 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 15 ways as a sum of consecutive naturals, for example, 118447 + ... + 127727.

It is an arithmetic number, because the mean of its divisors is an integer number (96486390).

Almost surely, 2^1142370447 is an apocalyptic number.

1142370447 is a deficient number, since it is larger than the sum of its proper divisors (401411793).

1142370447 is an equidigital number, since it uses as much as digits as its factorization.

1142370447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1142370447 is about 33798.9710938070. The cubic root of 1142370447 is about 1045.3674819992.

The spelling of 1142370447 in words is "one billion, one hundred forty-two million, three hundred seventy thousand, four hundred forty-seven".