1403120454 has 16 divisors (see below), whose sum is σ = 2807177520. Its totient is φ = 467550720.

The previous prime is 1403120447. The next prime is 1403120489. The reversal of 1403120454 is 4540213041.

It is a super-2 number, since 2×1403120454² = 3937494016866332232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18739 + ... + 56190.

It is an arithmetic number, because the mean of its divisors is an integer number (175448595).

Almost surely, 2^1403120454 is an apocalyptic number.

1403120454 is an abundant number, since it is smaller than the sum of its proper divisors (1404057066).

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

1403120454 is a wasteful number, since it uses less digits than its factorization.

1403120454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78055.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1403120454 is about 37458.2494785862. The cubic root of 1403120454 is about 1119.5194723278.

Adding to 1403120454 its reverse (4540213041), we get a palindrome (5943333495).

The spelling of 1403120454 in words is "one billion, four hundred three million, one hundred twenty thousand, four hundred fifty-four".