1013621454 has 24 divisors (see below), whose sum is σ = 2291666832. Its totient is φ = 323183520.

The previous prime is 1013621419. The next prime is 1013621467. The reversal of 1013621454 is 4541263101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223767 + ... + 1224594.

It is an arithmetic number, because the mean of its divisors is an integer number (95486118).

Almost surely, 2^1013621454 is an apocalyptic number.

1013621454 is an abundant number, since it is smaller than the sum of its proper divisors (1278045378).

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

1013621454 is a wasteful number, since it uses less digits than its factorization.

1013621454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448392 (or 2448389 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1013621454 is about 31837.4222260534. The cubic root of 1013621454 is about 1004.5200232740.

Adding to 1013621454 its reverse (4541263101), we get a palindrome (5554884555).

The spelling of 1013621454 in words is "one billion, thirteen million, six hundred twenty-one thousand, four hundred fifty-four".