1355231054 has 4 divisors (see below), whose sum is σ = 2032846584. Its totient is φ = 677615526.

The previous prime is 1355231051. The next prime is 1355231071. The reversal of 1355231054 is 4501325531.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355231051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338807762 + ... + 338807765.

It is an arithmetic number, because the mean of its divisors is an integer number (508211646).

Almost surely, 2^1355231054 is an apocalyptic number.

1355231054 is a deficient number, since it is larger than the sum of its proper divisors (677615530).

1355231054 is an equidigital number, since it uses as much as digits as its factorization.

1355231054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677615529.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1355231054 is about 36813.4629449608. The cubic root of 1355231054 is about 1106.6351184737.

Adding to 1355231054 its reverse (4501325531), we get a palindrome (5856556585).

The spelling of 1355231054 in words is "one billion, three hundred fifty-five million, two hundred thirty-one thousand, fifty-four".