103420757 has 12 divisors (see below), whose sum is σ = 117601260. Its totient is φ = 90773760.

The previous prime is 103420747. The next prime is 103420769. The reversal of 103420757 is 757024301.

It can be written as a sum of positive squares in 2 ways, for example, as 38763076 + 64657681 = 6226^2 + 8041^2 .

It is not a de Polignac number, because 103420757 - 2⁶ = 103420693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11228 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (9800105).

Almost surely, 2^103420757 is an apocalyptic number.

It is an amenable number.

103420757 is a deficient number, since it is larger than the sum of its proper divisors (14180503).

103420757 is a wasteful number, since it uses less digits than its factorization.

103420757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29524 (or 29513 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 103420757 is about 10169.5996479704. The cubic root of 103420757 is about 469.3922384291.

The spelling of 103420757 in words is "one hundred three million, four hundred twenty thousand, seven hundred fifty-seven".