1055402 has 4 divisors (see below), whose sum is σ = 1583106. Its totient is φ = 527700.

The previous prime is 1055399. The next prime is 1055407. The reversal of 1055402 is 2045501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2045501 = 401 ⋅5101.

It can be written as a sum of positive squares in only one way, i.e., 564001 + 491401 = 751^2 + 701^2 .

It is a super-2 number, since 2×1055402² = 2227746763208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263849 + ... + 263852.

2^1055402 is an apocalyptic number.

1055402 is a deficient number, since it is larger than the sum of its proper divisors (527704).

1055402 is an equidigital number, since it uses as much as digits as its factorization.

1055402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527703.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1055402 is about 1027.3276011088. The cubic root of 1055402 is about 101.8136415241.

Subtracting 1055402 from its reverse (2045501), we obtain a palindrome (990099).

The spelling of 1055402 in words is "one million, fifty-five thousand, four hundred two".