120263403 has 16 divisors (see below), whose sum is σ = 172882976. Its totient is φ = 73923840.

The previous prime is 120263401. The next prime is 120263411. The reversal of 120263403 is 304362021.

It is a happy number.

It is not a de Polignac number, because 120263403 - 2¹ = 120263401 is a prime.

It is a super-2 number, since 2×120263403² = 28926572202280818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120263403.

It is not an unprimeable number, because it can be changed into a prime (120263401) 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, 63693 + ... + 65553.

It is an arithmetic number, because the mean of its divisors is an integer number (10805186).

Almost surely, 2^120263403 is an apocalyptic number.

120263403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120263403 is a deficient number, since it is larger than the sum of its proper divisors (52619573).

120263403 is a wasteful number, since it uses less digits than its factorization.

120263403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 120263403 is about 10966.4672068994. The cubic root of 120263403 is about 493.6030442750.

The spelling of 120263403 in words is "one hundred twenty million, two hundred sixty-three thousand, four hundred three".