1042203161402 has 16 divisors (see below), whose sum is σ = 1695847710312. Its totient is φ = 477505770240.

The previous prime is 1042203161393. The next prime is 1042203161453. The reversal of 1042203161402 is 2041613022401.

It can be written as a sum of positive squares in 4 ways, for example, as 853500670201 + 188702491201 = 923851^2 + 434399^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146291099 + ... + 146298222.

Almost surely, 2^{1042203161402} is an apocalyptic number.

1042203161402 is a deficient number, since it is larger than the sum of its proper divisors (653644548910).

1042203161402 is a wasteful number, since it uses less digits than its factorization.

1042203161402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292589473.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1042203161402 its reverse (2041613022401), we get a palindrome (3083816183803).

The spelling of 1042203161402 in words is "one trillion, forty-two billion, two hundred three million, one hundred sixty-one thousand, four hundred two".