103253778 has 20 divisors (see below), whose sum is σ = 231365310. Its totient is φ = 34417872.

The previous prime is 103253747. The next prime is 103253789. The reversal of 103253778 is 877352301.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 6487209 = 9837^2 + 2547^2 .

It is a super-2 number, since 2×103253778² = 21322685342546568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 318523 + ... + 318846.

Almost surely, 2^103253778 is an apocalyptic number.

103253778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103253778 is an abundant number, since it is smaller than the sum of its proper divisors (128111532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103253778 is an equidigital number, since it uses as much as digits as its factorization.

103253778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637383 (or 637374 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 103253778 is about 10161.3866179769. The cubic root of 103253778 is about 469.1394817322.

The spelling of 103253778 in words is "one hundred three million, two hundred fifty-three thousand, seven hundred seventy-eight".