1101620254 has 12 divisors (see below), whose sum is σ = 1922215104. Its totient is φ = 472122924.

The previous prime is 1101620243. The next prime is 1101620321. The reversal of 1101620254 is 4520261011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5620414 + ... + 5620609.

It is an arithmetic number, because the mean of its divisors is an integer number (160184592).

Almost surely, 2^1101620254 is an apocalyptic number.

1101620254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1101620254 is a deficient number, since it is larger than the sum of its proper divisors (820594850).

1101620254 is a wasteful number, since it uses less digits than its factorization.

1101620254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241039 (or 11241032 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1101620254 is about 33190.6651635667. The cubic root of 1101620254 is about 1032.7867019581.

Adding to 1101620254 its reverse (4520261011), we get a palindrome (5621881265).

The spelling of 1101620254 in words is "one billion, one hundred one million, six hundred twenty thousand, two hundred fifty-four".