1032401381 has 8 divisors (see below), whose sum is σ = 1192506624. Its totient is φ = 883337920.

The previous prime is 1032401371. The next prime is 1032401399. The reversal of 1032401381 is 1831042301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1032401381 - 2⁶ = 1032401317 is a prime.

It is a super-2 number, since 2×1032401381² = 2131705222981414322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032401351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760245 + ... + 2760618.

It is an arithmetic number, because the mean of its divisors is an integer number (149063328).

Almost surely, 2^1032401381 is an apocalyptic number.

1032401381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1032401381 is a deficient number, since it is larger than the sum of its proper divisors (160105243).

1032401381 is a wasteful number, since it uses less digits than its factorization.

1032401381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520891.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1032401381 is about 32131.0034234849. The cubic root of 1032401381 is about 1010.6858658723.

Adding to 1032401381 its reverse (1831042301), we get a palindrome (2863443682).

The spelling of 1032401381 in words is "one billion, thirty-two million, four hundred one thousand, three hundred eighty-one".