1042921077192 has 24 divisors (see below), whose sum is σ = 2824577917590. Its totient is φ = 347640359040.

The previous prime is 1042921077181. The next prime is 1042921077197. The reversal of 1042921077192 is 2917701292401.

It is a happy number.

1042921077192 is a `hidden beast` number, since 1 + 0 + 429 + 210 + 7 + 7 + 1 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 609701735556 + 433219341636 = 780834^2 + 658194^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1042921077197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7242507409 + ... + 7242507552.

Almost surely, 2^{1042921077192} is an apocalyptic number.

1042921077192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042921077192 is an abundant number, since it is smaller than the sum of its proper divisors (1781656840398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042921077192 is a wasteful number, since it uses less digits than its factorization.

1042921077192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485014973 (or 14485014966 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 1042921077192 in words is "one trillion, forty-two billion, nine hundred twenty-one million, seventy-seven thousand, one hundred ninety-two".