1403172042 has 32 divisors (see below), whose sum is σ = 2864030400. Its totient is φ = 458206848.

The previous prime is 1403172041. The next prime is 1403172083. The reversal of 1403172042 is 2402713041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1403172041) 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, 46153 + ... + 70259.

It is an arithmetic number, because the mean of its divisors is an integer number (89500950).

Almost surely, 2^1403172042 is an apocalyptic number.

1403172042 is an abundant number, since it is smaller than the sum of its proper divisors (1460858358).

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

1403172042 is a wasteful number, since it uses less digits than its factorization.

1403172042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24310.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1403172042 is about 37458.9380789152. The cubic root of 1403172042 is about 1119.5331924762.

Adding to 1403172042 its reverse (2402713041), we get a palindrome (3805885083).

The spelling of 1403172042 in words is "one billion, four hundred three million, one hundred seventy-two thousand, forty-two".