1357242105 has 16 divisors (see below), whose sum is σ = 2285881920. Its totient is φ = 685764288.

The previous prime is 1357242091. The next prime is 1357242127. The reversal of 1357242105 is 5012427531.

It is not a de Polignac number, because 1357242105 - 2⁸ = 1357241849 is a prime.

It is a super-2 number, since 2×1357242105² = 3684212263169662050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380842 + ... + 2381411.

It is an arithmetic number, because the mean of its divisors is an integer number (142867620).

Almost surely, 2^1357242105 is an apocalyptic number.

1357242105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357242105 is a deficient number, since it is larger than the sum of its proper divisors (928639815).

1357242105 is a wasteful number, since it uses less digits than its factorization.

1357242105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762280.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1357242105 is about 36840.7668894121. The cubic root of 1357242105 is about 1107.1822329903.

Adding to 1357242105 its reverse (5012427531), we get a palindrome (6369669636).

The spelling of 1357242105 in words is "one billion, three hundred fifty-seven million, two hundred forty-two thousand, one hundred five".