1102421450 has 24 divisors (see below), whose sum is σ = 2208236268. Its totient is φ = 407047680.

The previous prime is 1102421447. The next prime is 1102421459. The reversal of 1102421450 is 541242011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 362635849 + 739785601 = 19043^2 + 27199^2 .

It is not an unprimeable number, because it can be changed into a prime (1102421459) 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, 847367 + ... + 848666.

Almost surely, 2^1102421450 is an apocalyptic number.

1102421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102421450 is an abundant number, since it is smaller than the sum of its proper divisors (1105814818).

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

1102421450 is a wasteful number, since it uses less digits than its factorization.

1102421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696058 (or 1696053 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1102421450 is about 33202.7325682691. The cubic root of 1102421450 is about 1033.0370193280.

Adding to 1102421450 its reverse (541242011), we get a palindrome (1643663461).

The spelling of 1102421450 in words is "one billion, one hundred two million, four hundred twenty-one thousand, four hundred fifty".