1924021142 has 32 divisors (see below), whose sum is σ = 2992204800. Its totient is φ = 927471168.

The previous prime is 1924021133. The next prime is 1924021147. The reversal of 1924021142 is 2411204291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1924021147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233359 + ... + 1234917.

It is an arithmetic number, because the mean of its divisors is an integer number (93506400).

Almost surely, 2^1924021142 is an apocalyptic number.

1924021142 is a deficient number, since it is larger than the sum of its proper divisors (1068183658).

1924021142 is a wasteful number, since it uses less digits than its factorization.

1924021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1924021142 is about 43863.6653963163. The cubic root of 1924021142 is about 1243.7600795055.

The spelling of 1924021142 in words is "one billion, nine hundred twenty-four million, twenty-one thousand, one hundred forty-two".